56616497 has 16 divisors (see below), whose sum is σ = 67478400. Its totient is φ = 46475520.

The previous prime is 56616493. The next prime is 56616533. The reversal of 56616497 is 79461665.

It is a happy number.

It is not a de Polignac number, because 56616497 - 2² = 56616493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56616493) 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, 25529 + ... + 27657.

It is an arithmetic number, because the mean of its divisors is an integer number (4217400).

Almost surely, 2^56616497 is an apocalyptic number.

It is an amenable number.

56616497 is a deficient number, since it is larger than the sum of its proper divisors (10861903).

56616497 is a wasteful number, since it uses less digits than its factorization.

56616497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296.

The product of its digits is 272160, while the sum is 44.

The square root of 56616497 is about 7524.3934639278. The cubic root of 56616497 is about 383.9850638903.

The spelling of 56616497 in words is "fifty-six million, six hundred sixteen thousand, four hundred ninety-seven".