56547568 has 120 divisors (see below), whose sum is σ = 142490880. Its totient is φ = 21490560.

The previous prime is 56547551. The next prime is 56547599. The reversal of 56547568 is 86574565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 681255 + ... + 681337.

It is an arithmetic number, because the mean of its divisors is an integer number (1187424).

Almost surely, 2^56547568 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 56547568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71245440).

56547568 is an abundant number, since it is smaller than the sum of its proper divisors (85943312).

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

56547568 is a wasteful number, since it uses less digits than its factorization.

56547568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 182 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 46.

The square root of 56547568 is about 7519.8116997701. The cubic root of 56547568 is about 383.8291702528.

The spelling of 56547568 in words is "fifty-six million, five hundred forty-seven thousand, five hundred sixty-eight".