56566080 has 112 divisors (see below), whose sum is σ = 199583040. Its totient is φ = 15081984.

The previous prime is 56566057. The next prime is 56566087. The reversal of 56566080 is 8066565.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56566087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5367 + ... + 11913.

Almost surely, 2^56566080 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 56566080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99791520).

56566080 is an abundant number, since it is smaller than the sum of its proper divisors (143016960).

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

56566080 is a wasteful number, since it uses less digits than its factorization.

56566080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6573 (or 6557 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 56566080 is about 7521.0424809331. The cubic root of 56566080 is about 383.8710504528.

The spelling of 56566080 in words is "fifty-six million, five hundred sixty-six thousand, eighty".