56887761534 has 16 divisors (see below), whose sum is σ = 114782387472. Its totient is φ = 18794776448.

The previous prime is 56887761529. The next prime is 56887761563. The reversal of 56887761534 is 43516778865.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41951949 + ... + 41953304.

It is an arithmetic number, because the mean of its divisors is an integer number (7173899217).

Almost surely, 2^56887761534 is an apocalyptic number.

56887761534 is an abundant number, since it is smaller than the sum of its proper divisors (57894625938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56887761534 is a wasteful number, since it uses less digits than its factorization.

56887761534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83905371.

The product of its digits is 33868800, while the sum is 60.

The spelling of 56887761534 in words is "fifty-six billion, eight hundred eighty-seven million, seven hundred sixty-one thousand, five hundred thirty-four".