52816320 has 112 divisors (see below), whose sum is σ = 186354720. Its totient is φ = 14082048.

The previous prime is 52816307. The next prime is 52816339. The reversal of 52816320 is 2361825.

52816320 is a `hidden beast` number, since 5 + 28 + 1 + 632 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5584 + ... + 11696.

Almost surely, 2^52816320 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 52816320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93177360).

52816320 is an abundant number, since it is smaller than the sum of its proper divisors (133538400).

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

52816320 is a wasteful number, since it uses less digits than its factorization.

52816320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6139 (or 6123 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 52816320 is about 7267.4837461119. The cubic root of 52816320 is about 375.1941394756.

The spelling of 52816320 in words is "fifty-two million, eight hundred sixteen thousand, three hundred twenty".