56777312460 has 96 divisors (see below), whose sum is σ = 173509765632. Its totient is φ = 13757777920.

The previous prime is 56777312443. The next prime is 56777312477. The reversal of 56777312460 is 6421377765.

It is an interprime number because it is at equal distance from previous prime (56777312443) and next prime (56777312477).

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, 1481257 + ... + 1519103.

It is an arithmetic number, because the mean of its divisors is an integer number (1807393392).

Almost surely, 2^56777312460 is an apocalyptic number.

It is an amenable number.

56777312460 is an abundant number, since it is smaller than the sum of its proper divisors (116732453172).

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

56777312460 is a wasteful number, since it uses less digits than its factorization.

56777312460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40143 (or 40141 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 48.

It can be divided in two parts, 5677 and 7312460, that added together give a palindrome (7318137).

The spelling of 56777312460 in words is "fifty-six billion, seven hundred seventy-seven million, three hundred twelve thousand, four hundred sixty".