52504272 has 60 divisors (see below), whose sum is σ = 150539844. Its totient is φ = 17072640.

The previous prime is 52504271. The next prime is 52504303. The reversal of 52504272 is 27240525.

It can be written as a sum of positive squares in 2 ways, for example, as 4562496 + 47941776 = 2136^2 + 6924^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52504271) 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, 1458 + ... + 10350.

Almost surely, 2^52504272 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 52504272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75269922).

52504272 is an abundant number, since it is smaller than the sum of its proper divisors (98035572).

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

52504272 is a wasteful number, since it uses less digits than its factorization.

52504272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8948 (or 8939 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 52504272 is about 7245.9831631049. The cubic root of 52504272 is about 374.4537754229.

Adding to 52504272 its reverse (27240525), we get a palindrome (79744797).

The spelling of 52504272 in words is "fifty-two million, five hundred four thousand, two hundred seventy-two".