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53536242375 = 3253721188289
BaseRepresentation
bin110001110111000000…
…100011101011000111
312010012000212220012200
4301313000203223013
51334120234224000
640332203245543
73603451360200
oct616700435307
9163160786180
1053536242375
11207828a4310
12a4612198b3
135082588735
14283c2445a7
1515d5060500
hexc77023ac7

53536242375 has 144 divisors (see below), whose sum is σ = 122471650080. Its totient is φ = 22248576000.

The previous prime is 53536242323. The next prime is 53536242379. The reversal of 53536242375 is 57324263535.

53536242375 is a `hidden beast` number, since 5 + 3 + 5 + 36 + 242 + 375 = 666.

53536242375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53536242375 - 26 = 53536242311 is a prime.

It is a super-2 number, since 2×535362423752 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 53536242375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53536242379) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 562231 + ... + 650519.

It is an arithmetic number, because the mean of its divisors is an integer number (850497570).

Almost surely, 253536242375 is an apocalyptic number.

53536242375 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53536242375 is an abundant number, since it is smaller than the sum of its proper divisors (68935407705).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53536242375 is a wasteful number, since it uses less digits than its factorization.

53536242375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88335 (or 88315 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 45.

The spelling of 53536242375 in words is "fifty-three billion, five hundred thirty-six million, two hundred forty-two thousand, three hundred seventy-five".

Divisors: 1 3 5 7 9 11 15 21 25 33 35 45 49 55 63 75 77 99 105 125 147 165 175 225 231 245 275 315 375 385 441 495 525 539 693 735 825 875 1125 1155 1225 1375 1575 1617 1925 2205 2475 2625 2695 3465 3675 4125 4851 5775 6125 7875 8085 9625 11025 12375 13475 17325 18375 24255 28875 40425 55125 67375 86625 88289 121275 202125 264867 441445 606375 618023 794601 971179 1324335 1854069 2207225 2913537 3090115 3973005 4326161 4855895 5562207 6621675 6798253 8740611 9270345 11036125 12978483 14567685 15450575 19865025 20394759 21630805 24279475 27811035 33108375 33991265 38935449 43703055 46351725 47587771 61184277 64892415 72838425 77252875 99325125 101973795 108154025 121397375 139055175 142763313 169956325 194677245 218515275 231758625 237938855 305921385 324462075 364192125 428289939 509868975 540770125 695275875 713816565 849781625 973386225 1092576375 1189694275 1529606925 1622310375 2141449695 2549344875 3569082825 4866931125 5948471375 7648034625 10707248475 17845414125 53536242375