56571088 has 60 divisors (see below), whose sum is σ = 129768480. Its totient is φ = 23814336.

The previous prime is 56571071. The next prime is 56571089. The reversal of 56571088 is 88017565.

It is a self number, because there is not a number n which added to its sum of digits gives 56571088.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56571089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45645 + ... + 46867.

It is an arithmetic number, because the mean of its divisors is an integer number (2162808).

Almost surely, 2^56571088 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 56571088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64884240).

56571088 is an abundant number, since it is smaller than the sum of its proper divisors (73197392).

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

56571088 is a wasteful number, since it uses less digits than its factorization.

56571088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304 (or 1291 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 56571088 is about 7521.3754061342. The cubic root of 56571088 is about 383.8823786168.

The spelling of 56571088 in words is "fifty-six million, five hundred seventy-one thousand, eighty-eight".