56371670784 has 864 divisors, whose sum is σ = 205062713856. Its totient is φ = 14646804480.

The previous prime is 56371670767. The next prime is 56371670819. The reversal of 56371670784 is 48707617365.

56371670784 is a `hidden beast` number, since 563 + 7 + 1 + 6 + 7 + 0 + 78 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 56371670784.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 325847722 + ... + 325847894.

It is an arithmetic number, because the mean of its divisors is an integer number (237341104).

Almost surely, 2^56371670784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56371670784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102531356928).

56371670784 is an abundant number, since it is smaller than the sum of its proper divisors (148691043072).

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

56371670784 is a wasteful number, since it uses less digits than its factorization.

56371670784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The spelling of 56371670784 in words is "fifty-six billion, three hundred seventy-one million, six hundred seventy thousand, seven hundred eighty-four".