52549992 has 128 divisors (see below), whose sum is σ = 168739200. Its totient is φ = 14976000.

The previous prime is 52549969. The next prime is 52550033. The reversal of 52549992 is 29994525.

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, 39742 + ... + 41042.

It is an arithmetic number, because the mean of its divisors is an integer number (1318275).

Almost surely, 2^52549992 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 52549992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84369600).

52549992 is an abundant number, since it is smaller than the sum of its proper divisors (116189208).

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

52549992 is a wasteful number, since it uses less digits than its factorization.

52549992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344 (or 1334 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 52549992 is about 7249.1373279860. The cubic root of 52549992 is about 374.5624336270.

The spelling of 52549992 in words is "fifty-two million, five hundred forty-nine thousand, nine hundred ninety-two".