56613768 has 32 divisors (see below), whose sum is σ = 148984800. Its totient is φ = 17877888.

The previous prime is 56613751. The next prime is 56613769. The reversal of 56613768 is 86731665.

It is not an unprimeable number, because it can be changed into a prime (56613769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61621 + ... + 62532.

It is an arithmetic number, because the mean of its divisors is an integer number (4655775).

Almost surely, 2^56613768 is an apocalyptic number.

It is an amenable number.

56613768 is an abundant number, since it is smaller than the sum of its proper divisors (92371032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56613768 is a wasteful number, since it uses less digits than its factorization.

56613768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124181 (or 124177 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 56613768 is about 7524.2121182221. The cubic root of 56613768 is about 383.9788942393.

The spelling of 56613768 in words is "fifty-six million, six hundred thirteen thousand, seven hundred sixty-eight".