53131156 has 12 divisors (see below), whose sum is σ = 100131892. Its totient is φ = 24522048.

The previous prime is 53131139. The next prime is 53131193. The reversal of 53131156 is 65113135.

It can be written as a sum of positive squares in 2 ways, for example, as 11088900 + 42042256 = 3330^2 + 6484^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 53131156.

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, 510825 + ... + 510928.

Almost surely, 2^53131156 is an apocalyptic number.

It is an amenable number.

53131156 is a deficient number, since it is larger than the sum of its proper divisors (47000736).

53131156 is a wasteful number, since it uses less digits than its factorization.

53131156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021770 (or 1021768 counting only the distinct ones).

The product of its digits is 1350, while the sum is 25.

The square root of 53131156 is about 7289.1121544397. The cubic root of 53131156 is about 375.9381688731.

The spelling of 53131156 in words is "fifty-three million, one hundred thirty-one thousand, one hundred fifty-six".