56604657 has 8 divisors (see below), whose sum is σ = 75664576. Its totient is φ = 37640592.

The previous prime is 56604649. The next prime is 56604661. The reversal of 56604657 is 75640665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56604657 - 2³ = 56604649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56604617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22573 + ... + 24954.

It is an arithmetic number, because the mean of its divisors is an integer number (9458072).

Almost surely, 2^56604657 is an apocalyptic number.

It is an amenable number.

56604657 is a deficient number, since it is larger than the sum of its proper divisors (19059919).

56604657 is a wasteful number, since it uses less digits than its factorization.

56604657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47927.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 56604657 is about 7523.6066484101. The cubic root of 56604657 is about 383.9582948956.

The spelling of 56604657 in words is "fifty-six million, six hundred four thousand, six hundred fifty-seven".