52556388 has 24 divisors (see below), whose sum is σ = 123127200. Its totient is φ = 17448000.

The previous prime is 52556353. The next prime is 52556389. The reversal of 52556388 is 88365525.

It is not an unprimeable number, because it can be changed into a prime (52556389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5713 + ... + 11736.

It is an arithmetic number, because the mean of its divisors is an integer number (5130300).

Almost surely, 2^52556388 is an apocalyptic number.

It is an amenable number.

52556388 is an abundant number, since it is smaller than the sum of its proper divisors (70570812).

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

52556388 is a wasteful number, since it uses less digits than its factorization.

52556388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17707 (or 17705 counting only the distinct ones).

The product of its digits is 288000, while the sum is 42.

The square root of 52556388 is about 7249.5784705043. The cubic root of 52556388 is about 374.5776293422.

The spelling of 52556388 in words is "fifty-two million, five hundred fifty-six thousand, three hundred eighty-eight".