56997552 has 40 divisors (see below), whose sum is σ = 149117440. Its totient is φ = 18757440.

The previous prime is 56997541. The next prime is 56997553. The reversal of 56997552 is 25579965.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (56997553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3724 + ... + 11307.

It is an arithmetic number, because the mean of its divisors is an integer number (3727936).

Almost surely, 2^56997552 is an apocalyptic number.

It is an amenable number.

56997552 is an abundant number, since it is smaller than the sum of its proper divisors (92119888).

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

56997552 is a wasteful number, since it uses less digits than its factorization.

56997552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15121 (or 15115 counting only the distinct ones).

The product of its digits is 850500, while the sum is 48.

The square root of 56997552 is about 7549.6723107695. The cubic root of 56997552 is about 384.8446036156.

The spelling of 56997552 in words is "fifty-six million, nine hundred ninety-seven thousand, five hundred fifty-two".