56615595 has 8 divisors (see below), whose sum is σ = 90584976. Its totient is φ = 30194976.

The previous prime is 56615567. The next prime is 56615609. The reversal of 56615595 is 59551665.

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

It is not a de Polignac number, because 56615595 - 2²³ = 48226987 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1887172 + ... + 1887201.

It is an arithmetic number, because the mean of its divisors is an integer number (11323122).

Almost surely, 2^56615595 is an apocalyptic number.

56615595 is a deficient number, since it is larger than the sum of its proper divisors (33969381).

56615595 is a wasteful number, since it uses less digits than its factorization.

56615595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3774381.

The product of its digits is 202500, while the sum is 42.

The square root of 56615595 is about 7524.3335253031. Note that the first 3 decimals coincide. The cubic root of 56615595 is about 383.9830246945.

It can be divided in two parts, 566 and 15595, that added together give a palindrome (16161).

The spelling of 56615595 in words is "fifty-six million, six hundred fifteen thousand, five hundred ninety-five".