53131164 has 12 divisors (see below), whose sum is σ = 123972744. Its totient is φ = 17710384.

The previous prime is 53131139. The next prime is 53131193. The reversal of 53131164 is 46113135.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2213787 + ... + 2213810.

It is an arithmetic number, because the mean of its divisors is an integer number (10331062).

Almost surely, 2^53131164 is an apocalyptic number.

It is an amenable number.

53131164 is an abundant number, since it is smaller than the sum of its proper divisors (70841580).

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

53131164 is a wasteful number, since it uses less digits than its factorization.

53131164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4427604 (or 4427602 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 53131164 is about 7289.1127032033. The cubic root of 53131164 is about 375.9381877415.

Adding to 53131164 its reverse (46113135), we get a palindrome (99244299).

The spelling of 53131164 in words is "fifty-three million, one hundred thirty-one thousand, one hundred sixty-four".