56656657883 has 16 divisors (see below), whose sum is σ = 65862720000. Its totient is φ = 47729029632.

The previous prime is 56656657861. The next prime is 56656657903. The reversal of 56656657883 is 38875665665.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56656657883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56656657483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2217083 + ... + 2242491.

It is an arithmetic number, because the mean of its divisors is an integer number (4116420000).

Almost surely, 2^56656657883 is an apocalyptic number.

56656657883 is a deficient number, since it is larger than the sum of its proper divisors (9206062117).

56656657883 is a wasteful number, since it uses less digits than its factorization.

56656657883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30874.

The product of its digits is 217728000, while the sum is 65.

The spelling of 56656657883 in words is "fifty-six billion, six hundred fifty-six million, six hundred fifty-seven thousand, eight hundred eighty-three".