56577365768 has 64 divisors (see below), whose sum is σ = 132286417920. Its totient is φ = 22038523200.

The previous prime is 56577365753. The next prime is 56577365783. The reversal of 56577365768 is 86756377565.

It is an interprime number because it is at equal distance from previous prime (56577365753) and next prime (56577365783).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5595005 + ... + 5605107.

It is an arithmetic number, because the mean of its divisors is an integer number (2066975280).

Almost surely, 2^56577365768 is an apocalyptic number.

It is an amenable number.

56577365768 is an abundant number, since it is smaller than the sum of its proper divisors (75709052152).

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

56577365768 is a wasteful number, since it uses less digits than its factorization.

56577365768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19218 (or 19214 counting only the distinct ones).

The product of its digits is 222264000, while the sum is 65.

The spelling of 56577365768 in words is "fifty-six billion, five hundred seventy-seven million, three hundred sixty-five thousand, seven hundred sixty-eight".