56565252 has 72 divisors (see below), whose sum is σ = 147917952. Its totient is φ = 18216000.

The previous prime is 56565241. The next prime is 56565263. The reversal of 56565252 is 25256565.

56565252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56565241) and next prime (56565263).

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

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170727 + ... + 171057.

It is an arithmetic number, because the mean of its divisors is an integer number (2054416).

Almost surely, 2^56565252 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 56565252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73958976).

56565252 is an abundant number, since it is smaller than the sum of its proper divisors (91352700).

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

56565252 is a wasteful number, since it uses less digits than its factorization.

56565252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 484 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 56565252 is about 7520.9874351710. The cubic root of 56565252 is about 383.8691774412.

The spelling of 56565252 in words is "fifty-six million, five hundred sixty-five thousand, two hundred fifty-two".