52992288 has 72 divisors (see below), whose sum is σ = 154800828. Its totient is φ = 17183232.

The previous prime is 52992287. The next prime is 52992301. The reversal of 52992288 is 88229925.

It can be written as a sum of positive squares in 2 ways, for example, as 48274704 + 4717584 = 6948^2 + 2172^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (52992283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8170 + ... + 13142.

Almost surely, 2^52992288 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 52992288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77400414).

52992288 is an abundant number, since it is smaller than the sum of its proper divisors (101808540).

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

52992288 is a wasteful number, since it uses less digits than its factorization.

52992288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5026 (or 5015 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 52992288 is about 7279.5802076768. The cubic root of 52992288 is about 375.6103553712.

The spelling of 52992288 in words is "fifty-two million, nine hundred ninety-two thousand, two hundred eighty-eight".