56566742676 has 24 divisors (see below), whose sum is σ = 132996620064. Its totient is φ = 18711644640.

The previous prime is 56566742669. The next prime is 56566742693. The reversal of 56566742676 is 67624766565.

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, 17990395 + ... + 17993538.

It is an arithmetic number, because the mean of its divisors is an integer number (5541525836).

Almost surely, 2^56566742676 is an apocalyptic number.

It is an amenable number.

56566742676 is an abundant number, since it is smaller than the sum of its proper divisors (76429877388).

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

56566742676 is a wasteful number, since it uses less digits than its factorization.

56566742676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35984071 (or 35984069 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 60.

The spelling of 56566742676 in words is "fifty-six billion, five hundred sixty-six million, seven hundred forty-two thousand, six hundred seventy-six".