56837773872 has 280 divisors, whose sum is σ = 181471926720. Its totient is φ = 17094291840.

The previous prime is 56837773859. The next prime is 56837773919. The reversal of 56837773872 is 27837773865.

56837773872 is a `hidden beast` number, since 568 + 37 + 7 + 7 + 38 + 7 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 17832663 + ... + 17835849.

It is an arithmetic number, because the mean of its divisors is an integer number (648114024).

Almost surely, 2^56837773872 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 56837773872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90735963360).

56837773872 is an abundant number, since it is smaller than the sum of its proper divisors (124634152848).

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

56837773872 is a wasteful number, since it uses less digits than its factorization.

56837773872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363 (or 3342 counting only the distinct ones).

The product of its digits is 82978560, while the sum is 63.

The spelling of 56837773872 in words is "fifty-six billion, eight hundred thirty-seven million, seven hundred seventy-three thousand, eight hundred seventy-two".