56997372 has 12 divisors (see below), whose sum is σ = 132993896. Its totient is φ = 18999120.

The previous prime is 56997341. The next prime is 56997373. The reversal of 56997372 is 27379965.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56997373) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2374879 + ... + 2374902.

Almost surely, 2^56997372 is an apocalyptic number.

It is an amenable number.

56997372 is an abundant number, since it is smaller than the sum of its proper divisors (75996524).

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

56997372 is a wasteful number, since it uses less digits than its factorization.

56997372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749788 (or 4749786 counting only the distinct ones).

The product of its digits is 714420, while the sum is 48.

The square root of 56997372 is about 7549.6603897129. The cubic root of 56997372 is about 384.8441984982.

The spelling of 56997372 in words is "fifty-six million, nine hundred ninety-seven thousand, three hundred seventy-two".