52515260 has 72 divisors (see below), whose sum is σ = 131516784. Its totient is φ = 17552640.

The previous prime is 52515217. The next prime is 52515263. The reversal of 52515260 is 6251525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52515263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39527 + ... + 40833.

It is an arithmetic number, because the mean of its divisors is an integer number (1826622).

Almost surely, 2^52515260 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 52515260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65758392).

52515260 is an abundant number, since it is smaller than the sum of its proper divisors (79001524).

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

52515260 is a wasteful number, since it uses less digits than its factorization.

52515260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 52515260 is about 7246.7413366285. The cubic root of 52515260 is about 374.4798952727.

Adding to 52515260 its reverse (6251525), we get a palindrome (58766785).

The spelling of 52515260 in words is "fifty-two million, five hundred fifteen thousand, two hundred sixty".