52408972 has 72 divisors (see below), whose sum is σ = 119168000. Its totient is φ = 19720800.

The previous prime is 52408969. The next prime is 52408999. The reversal of 52408972 is 27980425.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104779 + ... + 105277.

Almost surely, 2^52408972 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 52408972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59584000).

52408972 is an abundant number, since it is smaller than the sum of its proper divisors (66759028).

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

52408972 is a wasteful number, since it uses less digits than its factorization.

52408972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 52408972 is about 7239.4041191247. The cubic root of 52408972 is about 374.2270823939.

The spelling of 52408972 in words is "fifty-two million, four hundred eight thousand, nine hundred seventy-two".