56776227172544 has 56 divisors (see below), whose sum is σ = 122915971526976. Its totient is φ = 25805624096000.

The previous prime is 56776227172519. The next prime is 56776227172607. The reversal of 56776227172544 is 44527172267765.

It is a hoax number, since the sum of its digits (65) 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 7 ways as a sum of consecutive naturals, for example, 7668839 + ... + 13128729.

Almost surely, 2^{56776227172544} is an apocalyptic number.

It is an amenable number.

56776227172544 is an abundant number, since it is smaller than the sum of its proper divisors (66139744354432).

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

56776227172544 is a wasteful number, since it uses less digits than its factorization.

56776227172544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5474685 (or 5474675 counting only the distinct ones).

The product of its digits is 276595200, while the sum is 65.

The spelling of 56776227172544 in words is "fifty-six trillion, seven hundred seventy-six billion, two hundred twenty-seven million, one hundred seventy-two thousand, five hundred forty-four".