52881264 has 30 divisors (see below), whose sum is σ = 147994496. Its totient is φ = 17627040.

The previous prime is 52881263. The next prime is 52881281. The reversal of 52881264 is 46218825.

52881264 is a `hidden beast` number, since 528 + 8 + 126 + 4 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52881263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 183472 + ... + 183759.

Almost surely, 2^52881264 is an apocalyptic number.

It is an amenable number.

52881264 is an abundant number, since it is smaller than the sum of its proper divisors (95113232).

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

52881264 is a wasteful number, since it uses less digits than its factorization.

52881264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367245 (or 367236 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 52881264 is about 7271.9504948810. The cubic root of 52881264 is about 375.3478585520.

The spelling of 52881264 in words is "fifty-two million, eight hundred eighty-one thousand, two hundred sixty-four".