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56595686136 = 233111722925579
BaseRepresentation
bin110100101101010111…
…011010001011111000
312102002020202202001120
4310231113122023320
51411401443424021
641555533545240
74042331252253
oct645527321370
9172066682046
1056595686136
1122002875730
12ab75945220
13544c3839a2
142a4c6c209a
1517139472c6
hexd2d5da2f8

56595686136 has 192 divisors, whose sum is σ = 169626096000. Its totient is φ = 15584163840.

The previous prime is 56595686131. The next prime is 56595686179. The reversal of 56595686136 is 63168659565.

It is a super-2 number, since 2×565956861362 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56595686136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56595686131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2199795 + ... + 2225373.

It is an arithmetic number, because the mean of its divisors is an integer number (883469250).

Almost surely, 256595686136 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 56595686136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84813048000).

56595686136 is an abundant number, since it is smaller than the sum of its proper divisors (113030409864).

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

56595686136 is a wasteful number, since it uses less digits than its factorization.

56595686136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25662 (or 25641 counting only the distinct ones).

The product of its digits is 34992000, while the sum is 60.

The spelling of 56595686136 in words is "fifty-six billion, five hundred ninety-five million, six hundred eighty-six thousand, one hundred thirty-six".