56897561834 has 32 divisors (see below), whose sum is σ = 92348315136. Its totient is φ = 26188911360.

The previous prime is 56897561813. The next prime is 56897561857. The reversal of 56897561834 is 43816579865.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2694899 + ... + 2715929.

It is an arithmetic number, because the mean of its divisors is an integer number (2885884848).

Almost surely, 2^56897561834 is an apocalyptic number.

56897561834 is a deficient number, since it is larger than the sum of its proper divisors (35450753302).

56897561834 is a wasteful number, since it uses less digits than its factorization.

56897561834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22790.

The product of its digits is 43545600, while the sum is 62.

The spelling of 56897561834 in words is "fifty-six billion, eight hundred ninety-seven million, five hundred sixty-one thousand, eight hundred thirty-four".