56577206136 has 48 divisors (see below), whose sum is σ = 155470429800. Its totient is φ = 17144607040.

The previous prime is 56577206117. The next prime is 56577206173. The reversal of 56577206136 is 63160277565.

56577206136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9738351 + ... + 9744158.

Almost surely, 2^56577206136 is an apocalyptic number.

It is an amenable number.

56577206136 is an abundant number, since it is smaller than the sum of its proper divisors (98893223664).

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

56577206136 is a wasteful number, since it uses less digits than its factorization.

56577206136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19482540 (or 19482525 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 48.

The spelling of 56577206136 in words is "fifty-six billion, five hundred seventy-seven million, two hundred six thousand, one hundred thirty-six".