52809360 has 160 divisors (see below), whose sum is σ = 177548160. Its totient is φ = 12939264.

The previous prime is 52809343. The next prime is 52809373. The reversal of 52809360 is 6390825.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168564 + ... + 168876.

It is an arithmetic number, because the mean of its divisors is an integer number (1109676).

Almost surely, 2^52809360 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 52809360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88774080).

52809360 is an abundant number, since it is smaller than the sum of its proper divisors (124738800).

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

52809360 is a wasteful number, since it uses less digits than its factorization.

52809360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 52809360 is about 7267.0048850954. The cubic root of 52809360 is about 375.1776580426.

The spelling of 52809360 in words is "fifty-two million, eight hundred nine thousand, three hundred sixty".