56897516 has 12 divisors (see below), whose sum is σ = 107230032. Its totient is φ = 26260368.

The previous prime is 56897513. The next prime is 56897573. The reversal of 56897516 is 61579865.

It is not an unprimeable number, because it can be changed into a prime (56897513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547040 + ... + 547143.

It is an arithmetic number, because the mean of its divisors is an integer number (8935836).

Almost surely, 2^56897516 is an apocalyptic number.

It is an amenable number.

56897516 is a deficient number, since it is larger than the sum of its proper divisors (50332516).

56897516 is a wasteful number, since it uses less digits than its factorization.

56897516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094200 (or 1094198 counting only the distinct ones).

The product of its digits is 453600, while the sum is 47.

The square root of 56897516 is about 7543.0442130482. The cubic root of 56897516 is about 384.6193257565.

The spelling of 56897516 in words is "fifty-six million, eight hundred ninety-seven thousand, five hundred sixteen".