56005568 has 56 divisors (see below), whose sum is σ = 116171472. Its totient is φ = 26763264.

The previous prime is 56005567. The next prime is 56005571. The reversal of 56005568 is 86550065.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56005567) 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, 158480 + ... + 158832.

Almost surely, 2^56005568 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 56005568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58085736).

56005568 is an abundant number, since it is smaller than the sum of its proper divisors (60165904).

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

56005568 is a wasteful number, since it uses less digits than its factorization.

56005568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 56005568 is about 7483.6867919495. The cubic root of 56005568 is about 382.5989161352.

The spelling of 56005568 in words is "fifty-six million, five thousand, five hundred sixty-eight".