52912288 has 96 divisors (see below), whose sum is σ = 126669312. Its totient is φ = 21427200.

The previous prime is 52912261. The next prime is 52912333. The reversal of 52912288 is 88221925.

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, 141670 + ... + 142042.

It is an arithmetic number, because the mean of its divisors is an integer number (1319472).

Almost surely, 2^52912288 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 52912288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63334656).

52912288 is an abundant number, since it is smaller than the sum of its proper divisors (73757024).

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

52912288 is a wasteful number, since it uses less digits than its factorization.

52912288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 430 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The square root of 52912288 is about 7274.0833099436. The cubic root of 52912288 is about 375.4212463306.

The spelling of 52912288 in words is "fifty-two million, nine hundred twelve thousand, two hundred eighty-eight".