56603316 has 72 divisors (see below), whose sum is σ = 165941440. Its totient is φ = 14699520.

The previous prime is 56603297. The next prime is 56603333. The reversal of 56603316 is 61330665.

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, 7380 + ... + 12948.

Almost surely, 2^56603316 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 56603316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82970720).

56603316 is an abundant number, since it is smaller than the sum of its proper divisors (109338124).

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

56603316 is a wasteful number, since it uses less digits than its factorization.

56603316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605 (or 5592 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 56603316 is about 7523.5175283906. The cubic root of 56603316 is about 383.9552628003.

The spelling of 56603316 in words is "fifty-six million, six hundred three thousand, three hundred sixteen".