56556885575 has 24 divisors (see below), whose sum is σ = 75157549728. Its totient is φ = 42108612480.

The previous prime is 56556885533. The next prime is 56556885611. The reversal of 56556885575 is 57558865565.

56556885575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56556885575 - 2¹⁴ = 56556869191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1307912 + ... + 1350461.

It is an arithmetic number, because the mean of its divisors is an integer number (3131564572).

Almost surely, 2^56556885575 is an apocalyptic number.

56556885575 is a deficient number, since it is larger than the sum of its proper divisors (18600664153).

56556885575 is a wasteful number, since it uses less digits than its factorization.

56556885575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658443 (or 2658438 counting only the distinct ones).

The product of its digits is 252000000, while the sum is 65.

The spelling of 56556885575 in words is "fifty-six billion, five hundred fifty-six million, eight hundred eighty-five thousand, five hundred seventy-five".