56577408823 has 12 divisors (see below), whose sum is σ = 62127185328. Its totient is φ = 51489721920.

The previous prime is 56577408761. The next prime is 56577408829. The reversal of 56577408823 is 32880477565.

It is a de Polignac number, because none of the positive numbers 2^k-56577408823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56577408829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2345590 + ... + 2369587.

It is an arithmetic number, because the mean of its divisors is an integer number (5177265444).

Almost surely, 2^56577408823 is an apocalyptic number.

56577408823 is a deficient number, since it is larger than the sum of its proper divisors (5549776505).

56577408823 is a wasteful number, since it uses less digits than its factorization.

56577408823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4715274 (or 4715261 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 55.

The spelling of 56577408823 in words is "fifty-six billion, five hundred seventy-seven million, four hundred eight thousand, eight hundred twenty-three".