52524140 has 24 divisors (see below), whose sum is σ = 110868912. Its totient is φ = 20901440.

The previous prime is 52524089. The next prime is 52524163. The reversal of 52524140 is 4142525.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2726 + ... + 10605.

It is an arithmetic number, because the mean of its divisors is an integer number (4619538).

Almost surely, 2^52524140 is an apocalyptic number.

It is an amenable number.

52524140 is an abundant number, since it is smaller than the sum of its proper divisors (58344772).

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

52524140 is a wasteful number, since it uses less digits than its factorization.

52524140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13537 (or 13535 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 52524140 is about 7247.3539999092. The cubic root of 52524140 is about 374.5010014810.

Adding to 52524140 its reverse (4142525), we get a palindrome (56666665).

The spelling of 52524140 in words is "fifty-two million, five hundred twenty-four thousand, one hundred forty".