56887951311306 has 64 divisors (see below), whose sum is σ = 126689955287040. Its totient is φ = 18921816632880.

The previous prime is 56887951311293. The next prime is 56887951311337. The reversal of 56887951311306 is 60311315978865.

56887951311306 is a `hidden beast` number, since 5 + 6 + 8 + 8 + 7 + 9 + 5 + 1 + 311 + 306 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234872541 + ... + 235114623.

It is an arithmetic number, because the mean of its divisors is an integer number (1979530551360).

Almost surely, 2^{56887951311306} is an apocalyptic number.

56887951311306 is an abundant number, since it is smaller than the sum of its proper divisors (69802003975734).

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

56887951311306 is a wasteful number, since it uses less digits than its factorization.

56887951311306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251448 (or 251442 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The spelling of 56887951311306 in words is "fifty-six trillion, eight hundred eighty-seven billion, nine hundred fifty-one million, three hundred eleven thousand, three hundred six".