52564224 has 36 divisors (see below), whose sum is σ = 139899536. Its totient is φ = 17521152.

The previous prime is 52564217. The next prime is 52564229. The reversal of 52564224 is 42246525.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 52564191 and 52564200.

It is not an unprimeable number, because it can be changed into a prime (52564229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33454 + ... + 34989.

Almost surely, 2^52564224 is an apocalyptic number.

It is an amenable number.

52564224 is an abundant number, since it is smaller than the sum of its proper divisors (87335312).

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

52564224 is an equidigital number, since it uses as much as digits as its factorization.

52564224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68462 (or 68448 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 52564224 is about 7250.1188955768. The cubic root of 52564224 is about 374.5962445512.

The spelling of 52564224 in words is "fifty-two million, five hundred sixty-four thousand, two hundred twenty-four".