56842332557 has 32 divisors (see below), whose sum is σ = 63748062720. Its totient is φ = 50426127360.

The previous prime is 56842332511. The next prime is 56842332559. The reversal of 56842332557 is 75523324865.

It is a cyclic number.

It is not a de Polignac number, because 56842332557 - 2⁶ = 56842332493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56842332559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9752078 + ... + 9757904.

It is an arithmetic number, because the mean of its divisors is an integer number (1992126960).

Almost surely, 2^56842332557 is an apocalyptic number.

It is an amenable number.

56842332557 is a deficient number, since it is larger than the sum of its proper divisors (6905730163).

56842332557 is a wasteful number, since it uses less digits than its factorization.

56842332557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6341.

The product of its digits is 6048000, while the sum is 50.

The spelling of 56842332557 in words is "fifty-six billion, eight hundred forty-two million, three hundred thirty-two thousand, five hundred fifty-seven".