56577725854 has 16 divisors (see below), whose sum is σ = 92943854640. Its totient is φ = 25670206080.

The previous prime is 56577725843. The next prime is 56577725863. The reversal of 56577725854 is 45852777565.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 56577725792 and 56577725801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18439707 + ... + 18442774.

It is an arithmetic number, because the mean of its divisors is an integer number (5808990915).

Almost surely, 2^56577725854 is an apocalyptic number.

56577725854 is a deficient number, since it is larger than the sum of its proper divisors (36366128786).

56577725854 is a wasteful number, since it uses less digits than its factorization.

56577725854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36882555.

The product of its digits is 82320000, while the sum is 61.

The spelling of 56577725854 in words is "fifty-six billion, five hundred seventy-seven million, seven hundred twenty-five thousand, eight hundred fifty-four".