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53386693752 = 2337137216931
BaseRepresentation
bin110001101110000110…
…000100110001111000
312002210121111001001210
4301232012010301320
51333313443200002
640305302043120
73566654260320
oct615606046170
9162717431053
1053386693752
1120706440207
12a41b1194a0
13505a5b7122
142826436280
1515c6d6e96c
hexc6e184c78

53386693752 has 96 divisors (see below), whose sum is σ = 153663995520. Its totient is φ = 15141108480.

The previous prime is 53386693751. The next prime is 53386693781. The reversal of 53386693752 is 25739668335.

It is a junction number, because it is equal to n+sod(n) for n = 53386693692 and 53386693701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53386693751) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3144727 + ... + 3161657.

It is an arithmetic number, because the mean of its divisors is an integer number (1600666620).

Almost surely, 253386693752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53386693752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76831997760).

53386693752 is an abundant number, since it is smaller than the sum of its proper divisors (100277301768).

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

53386693752 is a wasteful number, since it uses less digits than its factorization.

53386693752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17221 (or 17080 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 57.

The spelling of 53386693752 in words is "fifty-three billion, three hundred eighty-six million, six hundred ninety-three thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 137 168 274 411 548 822 959 1096 1644 1918 2877 3288 3836 5754 7672 11508 16931 18769 23016 33862 37538 50793 56307 67724 75076 101586 112614 118517 131383 135448 150152 203172 225228 237034 262766 355551 394149 406344 450456 474068 525532 711102 788298 948136 1051064 1422204 1576596 2319547 2844408 3153192 4639094 6958641 9278188 13917282 16236829 18556376 27834564 32473658 48710487 55669128 64947316 97420974 129894632 194841948 317777939 389683896 635555878 953333817 1271111756 1906667634 2224445573 2542223512 3813335268 4448891146 6673336719 7626670536 8897782292 13346673438 17795564584 26693346876 53386693752