56737884672 has 200 divisors, whose sum is σ = 193541157216. Its totient is φ = 16210741248.

The previous prime is 56737884667. The next prime is 56737884703. The reversal of 56737884672 is 27648873765.

56737884672 is a `hidden beast` number, since 5 + 67 + 37 + 88 + 467 + 2 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 192583 + ... + 388025.

Almost surely, 2^56737884672 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 56737884672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96770578608).

56737884672 is an abundant number, since it is smaller than the sum of its proper divisors (136803272544).

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

56737884672 is an equidigital number, since it uses as much as digits as its factorization.

56737884672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195480 (or 195455 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 63.

The spelling of 56737884672 in words is "fifty-six billion, seven hundred thirty-seven million, eight hundred eighty-four thousand, six hundred seventy-two".