56577588400 has 30 divisors (see below), whose sum is σ = 135927657092. Its totient is φ = 22631035200.

The previous prime is 56577588373. The next prime is 56577588401. The reversal of 56577588400 is 488577565.

It is not an unprimeable number, because it can be changed into a prime (56577588401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70721586 + ... + 70722385.

Almost surely, 2^56577588400 is an apocalyptic number.

56577588400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56577588400 is an abundant number, since it is smaller than the sum of its proper divisors (79350068692).

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

56577588400 is a wasteful number, since it uses less digits than its factorization.

56577588400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141443989 (or 141443978 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 55.

The spelling of 56577588400 in words is "fifty-six billion, five hundred seventy-seven million, five hundred eighty-eight thousand, four hundred".