56329568 has 36 divisors (see below), whose sum is σ = 117825372. Its totient is φ = 26503680.

The previous prime is 56329519. The next prime is 56329579. The reversal of 56329568 is 86592365.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6203 + ... + 12293.

It is an arithmetic number, because the mean of its divisors is an integer number (3272927).

Almost surely, 2^56329568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56329568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58912686).

56329568 is an abundant number, since it is smaller than the sum of its proper divisors (61495804).

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

56329568 is a wasteful number, since it uses less digits than its factorization.

56329568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6135 (or 6110 counting only the distinct ones).

The product of its digits is 388800, while the sum is 44.

The square root of 56329568 is about 7505.3026587873. The cubic root of 56329568 is about 383.3352939198.

The spelling of 56329568 in words is "fifty-six million, three hundred twenty-nine thousand, five hundred sixty-eight".