56972817072 has 100 divisors (see below), whose sum is σ = 164952475600. Its totient is φ = 18984419712.

The previous prime is 56972817047. The next prime is 56972817151. The reversal of 56972817072 is 27071827965.

It is a happy number.

56972817072 is a `hidden beast` number, since 569 + 7 + 2 + 8 + 1 + 7 + 0 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5104554 + ... + 5115702.

It is an arithmetic number, because the mean of its divisors is an integer number (1649524756).

Almost surely, 2^56972817072 is an apocalyptic number.

It is an amenable number.

56972817072 is an abundant number, since it is smaller than the sum of its proper divisors (107979658528).

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

56972817072 is a wasteful number, since it uses less digits than its factorization.

56972817072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15112 (or 15097 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 56972817072 in words is "fifty-six billion, nine hundred seventy-two million, eight hundred seventeen thousand, seventy-two".