56999504 has 40 divisors (see below), whose sum is σ = 117456768. Its totient is φ = 26703360.

The previous prime is 56999447. The next prime is 56999531. The reversal of 56999504 is 40599965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99539 + ... + 100109.

Almost surely, 2^56999504 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 56999504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58728384).

56999504 is an abundant number, since it is smaller than the sum of its proper divisors (60457264).

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

56999504 is a wasteful number, since it uses less digits than its factorization.

56999504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 47.

The square root of 56999504 is about 7549.8015867968. The cubic root of 56999504 is about 384.8489968341.

The spelling of 56999504 in words is "fifty-six million, nine hundred ninety-nine thousand, five hundred four".