52817280 has 64 divisors (see below), whose sum is σ = 168361200. Its totient is φ = 14084096.

The previous prime is 52817279. The next prime is 52817291. The reversal of 52817280 is 8271825.

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11835 + ... + 15674.

Almost surely, 2^52817280 is an apocalyptic number.

It is an amenable number.

52817280 is an abundant number, since it is smaller than the sum of its proper divisors (115543920).

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

52817280 is a wasteful number, since it uses less digits than its factorization.

52817280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27531 (or 27519 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 52817280 is about 7267.5497934311. The cubic root of 52817280 is about 375.1964126631.

It can be divided in two parts, 5281 and 7280, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 52817280 in words is "fifty-two million, eight hundred seventeen thousand, two hundred eighty".