56631701424 has 120 divisors (see below), whose sum is σ = 153499519152. Its totient is φ = 17989959680.

The previous prime is 56631701419. The next prime is 56631701453. The reversal of 56631701424 is 42410713665.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 7131184 + ... + 7139120.

Almost surely, 2^56631701424 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 56631701424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76749759576).

56631701424 is an abundant number, since it is smaller than the sum of its proper divisors (96867817728).

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

56631701424 is a wasteful number, since it uses less digits than its factorization.

56631701424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8275 (or 8246 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 56631701424 in words is "fifty-six billion, six hundred thirty-one million, seven hundred one thousand, four hundred twenty-four".