56861244972 has 192 divisors, whose sum is σ = 180834877440. Its totient is φ = 15080712192.

The previous prime is 56861244967. The next prime is 56861244997. The reversal of 56861244972 is 27944216865.

56861244972 is a `hidden beast` number, since 56 + 86 + 1 + 2 + 449 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 907893 + ... + 968499.

It is an arithmetic number, because the mean of its divisors is an integer number (941848320).

Almost surely, 2^56861244972 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 56861244972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90417438720).

56861244972 is an abundant number, since it is smaller than the sum of its proper divisors (123973632468).

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

56861244972 is a wasteful number, since it uses less digits than its factorization.

56861244972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60717 (or 60709 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 56861244972 in words is "fifty-six billion, eight hundred sixty-one million, two hundred forty-four thousand, nine hundred seventy-two".