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53285500 = 2253197179
BaseRepresentation
bin1100101101000…
…1001001111100
310201021011222001
43023101021330
5102120114000
65142032044
71214630212
oct313211174
9121234861
1053285500
1128095204
1215a18624
13b0689a8
147110cb2
154a2846a
hex32d127c

53285500 has 96 divisors (see below), whose sum is σ = 125798400. Its totient is φ = 19656000.

The previous prime is 53285483. The next prime is 53285501. The reversal of 53285500 is 558235.

53285500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53285501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 674461 + ... + 674539.

It is an arithmetic number, because the mean of its divisors is an integer number (1310400).

Almost surely, 253285500 is an apocalyptic number.

53285500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53285500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62899200).

53285500 is an abundant number, since it is smaller than the sum of its proper divisors (72512900).

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

53285500 is a wasteful number, since it uses less digits than its factorization.

53285500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 53285500 is about 7299.6917743149. The cubic root of 53285500 is about 376.3018456681.

The spelling of 53285500 in words is "fifty-three million, two hundred eighty-five thousand, five hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 71 76 79 95 100 125 142 158 190 250 284 316 355 380 395 475 500 710 790 950 1349 1420 1501 1580 1775 1900 1975 2375 2698 3002 3550 3950 4750 5396 5609 6004 6745 7100 7505 7900 8875 9500 9875 11218 13490 15010 17750 19750 22436 26980 28045 30020 33725 35500 37525 39500 56090 67450 75050 106571 112180 134900 140225 150100 168625 187625 213142 280450 337250 375250 426284 532855 560900 674500 701125 750500 1065710 1402250 2131420 2664275 2804500 5328550 10657100 13321375 26642750 53285500