52664456 has 24 divisors (see below), whose sum is σ = 106928730. Its totient is φ = 24306048.

The previous prime is 52664401. The next prime is 52664461. The reversal of 52664456 is 65446625.

52664456 = 1143² + 1144² + ... + 1181².

It can be written as a sum of positive squares in 3 ways, for example, as 42640900 + 10023556 = 6530^2 + 3166^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18125 + ... + 20828.

Almost surely, 2^52664456 is an apocalyptic number.

It is an amenable number.

52664456 is an abundant number, since it is smaller than the sum of its proper divisors (54264274).

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

52664456 is a wasteful number, since it uses less digits than its factorization.

52664456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38985 (or 38968 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 52664456 is about 7257.0280418364. The cubic root of 52664456 is about 374.8341927728.

The spelling of 52664456 in words is "fifty-two million, six hundred sixty-four thousand, four hundred fifty-six".