56577568308 has 24 divisors (see below), whose sum is σ = 132038732448. Its totient is φ = 18855702816.

The previous prime is 56577568297. The next prime is 56577568309. The reversal of 56577568308 is 80386577565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56577568309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367791 + ... + 498422.

It is an arithmetic number, because the mean of its divisors is an integer number (5501613852).

Almost surely, 2^56577568308 is an apocalyptic number.

It is an amenable number.

56577568308 is an abundant number, since it is smaller than the sum of its proper divisors (75461164140).

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

56577568308 is a wasteful number, since it uses less digits than its factorization.

56577568308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871663 (or 871661 counting only the distinct ones).

The product of its (nonzero) digits is 42336000, while the sum is 60.

The spelling of 56577568308 in words is "fifty-six billion, five hundred seventy-seven million, five hundred sixty-eight thousand, three hundred eight".