56520288 has 192 divisors, whose sum is σ = 189907200. Its totient is φ = 16174080.

The previous prime is 56520253. The next prime is 56520293. The reversal of 56520288 is 88202565.

56520288 is a `hidden beast` number, since 56 + 520 + 2 + 88 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180420 + ... + 180732.

It is an arithmetic number, because the mean of its divisors is an integer number (989100).

Almost surely, 2^56520288 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 56520288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94953600).

56520288 is an abundant number, since it is smaller than the sum of its proper divisors (133386912).

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

56520288 is a wasteful number, since it uses less digits than its factorization.

56520288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 56520288 is about 7517.9976057458. The cubic root of 56520288 is about 383.7674373060.

Adding to 56520288 its sum of digits (36), we get a square (56520324 = 7518²).

The spelling of 56520288 in words is "fifty-six million, five hundred twenty thousand, two hundred eighty-eight".