56577365536 has 48 divisors (see below), whose sum is σ = 113913959040. Its totient is φ = 27653932800.

The previous prime is 56577365489. The next prime is 56577365567. The reversal of 56577365536 is 63556377565.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144535 + ... + 366121.

It is an arithmetic number, because the mean of its divisors is an integer number (2373207480).

Almost surely, 2^56577365536 is an apocalyptic number.

It is an amenable number.

56577365536 is an abundant number, since it is smaller than the sum of its proper divisors (57336593504).

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

56577365536 is a wasteful number, since it uses less digits than its factorization.

56577365536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221777 (or 221769 counting only the distinct ones).

The product of its digits is 59535000, while the sum is 58.

The spelling of 56577365536 in words is "fifty-six billion, five hundred seventy-seven million, three hundred sixty-five thousand, five hundred thirty-six".