56899568 has 40 divisors (see below), whose sum is σ = 121371696. Its totient is φ = 25625600.

The previous prime is 56899567. The next prime is 56899597. The reversal of 56899568 is 86599865.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56899567) 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, 18458 + ... + 21318.

Almost surely, 2^56899568 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 56899568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60685848).

56899568 is an abundant number, since it is smaller than the sum of its proper divisors (64472128).

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

56899568 is a wasteful number, since it uses less digits than its factorization.

56899568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993 (or 2987 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 56.

The square root of 56899568 is about 7543.1802311757. The cubic root of 56899568 is about 384.6239494462.

The spelling of 56899568 in words is "fifty-six million, eight hundred ninety-nine thousand, five hundred sixty-eight".