56461538975 has 24 divisors (see below), whose sum is σ = 70926293760. Its totient is φ = 44580013920.

The previous prime is 56461538957. The next prime is 56461538989. The reversal of 56461538975 is 57983516465.

It is a happy number.

It is not a de Polignac number, because 56461538975 - 2³⁰ = 55387797151 is a prime.

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, 7791704 + ... + 7798946.

It is an arithmetic number, because the mean of its divisors is an integer number (2955262240).

Almost surely, 2^56461538975 is an apocalyptic number.

56461538975 is a deficient number, since it is larger than the sum of its proper divisors (14464754785).

56461538975 is a wasteful number, since it uses less digits than its factorization.

56461538975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11279 (or 11274 counting only the distinct ones).

The product of its digits is 27216000, while the sum is 59.

The spelling of 56461538975 in words is "fifty-six billion, four hundred sixty-one million, five hundred thirty-eight thousand, nine hundred seventy-five".