56155464032 has 24 divisors (see below), whose sum is σ = 113127143976. Its totient is φ = 27424760832.

The previous prime is 56155464031. The next prime is 56155464067. The reversal of 56155464032 is 23046455165.

It is a happy number.

It is a super-2 number, since 2×56155464032² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56155464031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20403953 + ... + 20406704.

It is an arithmetic number, because the mean of its divisors is an integer number (4713630999).

Almost surely, 2^56155464032 is an apocalyptic number.

It is an amenable number.

56155464032 is an abundant number, since it is smaller than the sum of its proper divisors (56971679944).

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

56155464032 is a wasteful number, since it uses less digits than its factorization.

56155464032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40810710 (or 40810702 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 56155464032 in words is "fifty-six billion, one hundred fifty-five million, four hundred sixty-four thousand, thirty-two".