52718592 has 66 divisors (see below), whose sum is σ = 141595084. Its totient is φ = 17438720.

The previous prime is 52718591. The next prime is 52718621. The reversal of 52718592 is 29581725.

It is a self number, because there is not a number n which added to its sum of digits gives 52718592.

It is not an unprimeable number, because it can be changed into a prime (52718591) 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, 402367 + ... + 402497.

Almost surely, 2^52718592 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 52718592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70797542).

52718592 is an abundant number, since it is smaller than the sum of its proper divisors (88876492).

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

52718592 is an equidigital number, since it uses as much as digits as its factorization.

52718592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 136 counting only the distinct ones).

The product of its digits is 50400, while the sum is 39.

The square root of 52718592 is about 7260.7569853287. The cubic root of 52718592 is about 374.9625847115.

The spelling of 52718592 in words is "fifty-two million, seven hundred eighteen thousand, five hundred ninety-two".