56996637 has 16 divisors (see below), whose sum is σ = 80180160. Its totient is φ = 35914752.

The previous prime is 56996603. The next prime is 56996663. The reversal of 56996637 is 73669965.

It is not a de Polignac number, because 56996637 - 2¹¹ = 56994589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56996637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56995637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32023 + ... + 33755.

It is an arithmetic number, because the mean of its divisors is an integer number (5011260).

Almost surely, 2^56996637 is an apocalyptic number.

56996637 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

56996637 is a deficient number, since it is larger than the sum of its proper divisors (23183523).

56996637 is a wasteful number, since it uses less digits than its factorization.

56996637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332.

The product of its digits is 1837080, while the sum is 51.

The square root of 56996637 is about 7549.6117118697. The cubic root of 56996637 is about 384.8425442599.

The spelling of 56996637 in words is "fifty-six million, nine hundred ninety-six thousand, six hundred thirty-seven".