56637076444 has 96 divisors (see below), whose sum is σ = 117248281920. Its totient is φ = 23686483968.

The previous prime is 56637076423. The next prime is 56637076481. The reversal of 56637076444 is 44467073665.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 56637076391 and 56637076400.

It is a congruent number.

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, 9559267 + ... + 9565189.

It is an arithmetic number, because the mean of its divisors is an integer number (1221336270).

Almost surely, 2^56637076444 is an apocalyptic number.

It is an amenable number.

56637076444 is an abundant number, since it is smaller than the sum of its proper divisors (60611205476).

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

56637076444 is a wasteful number, since it uses less digits than its factorization.

56637076444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6359 (or 6357 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 52.

The spelling of 56637076444 in words is "fifty-six billion, six hundred thirty-seven million, seventy-six thousand, four hundred forty-four".