52388568 has 48 divisors (see below), whose sum is σ = 142768080. Its totient is φ = 17354304.

The previous prime is 52388537. The next prime is 52388579. The reversal of 52388568 is 86588325.

It is a happy number.

52388568 is a `hidden beast` number, since 5 + 2 + 3 + 88 + 568 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9846 + ... + 14202.

It is an arithmetic number, because the mean of its divisors is an integer number (2974335).

Almost surely, 2^52388568 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 52388568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71384040).

52388568 is an abundant number, since it is smaller than the sum of its proper divisors (90379512).

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

52388568 is a wasteful number, since it uses less digits than its factorization.

52388568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536 (or 4529 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 52388568 is about 7237.9947499290. The cubic root of 52388568 is about 374.1785110632.

The spelling of 52388568 in words is "fifty-two million, three hundred eighty-eight thousand, five hundred sixty-eight".