52613140 has 24 divisors (see below), whose sum is σ = 111172320. Its totient is φ = 20914848.

The previous prime is 52613129. The next prime is 52613161. The reversal of 52613140 is 4131625.

It is a congruent 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, 4810 + ... + 11329.

It is an arithmetic number, because the mean of its divisors is an integer number (4632180).

Almost surely, 2^52613140 is an apocalyptic number.

It is an amenable number.

52613140 is an abundant number, since it is smaller than the sum of its proper divisors (58559180).

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

52613140 is a wasteful number, since it uses less digits than its factorization.

52613140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16311 (or 16309 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 52613140 is about 7253.4915730288. The cubic root of 52613140 is about 374.7124076462.

Adding to 52613140 its reverse (4131625), we get a palindrome (56744765).

The spelling of 52613140 in words is "fifty-two million, six hundred thirteen thousand, one hundred forty".