56610864401 has 48 divisors (see below), whose sum is σ = 75137984640. Its totient is φ = 41632081920.

The previous prime is 56610864383. The next prime is 56610864403. The reversal of 56610864401 is 10446801665.

It is not a de Polignac number, because 56610864401 - 2⁶ = 56610864337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56610864403) 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 47 ways as a sum of consecutive naturals, for example, 1167521 + ... + 1215041.

It is an arithmetic number, because the mean of its divisors is an integer number (1565374680).

Almost surely, 2^56610864401 is an apocalyptic number.

It is an amenable number.

56610864401 is a deficient number, since it is larger than the sum of its proper divisors (18527120239).

56610864401 is a wasteful number, since it uses less digits than its factorization.

56610864401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47626 (or 47613 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 56610864401 in words is "fifty-six billion, six hundred ten million, eight hundred sixty-four thousand, four hundred one".