53131885 has 32 divisors (see below), whose sum is σ = 71850240. Its totient is φ = 37481472.

The previous prime is 53131879. The next prime is 53131901. The reversal of 53131885 is 58813135.

It is a cyclic number.

It is not a de Polignac number, because 53131885 - 2³ = 53131877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53131885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269607 + ... + 269803.

It is an arithmetic number, because the mean of its divisors is an integer number (2245320).

Almost surely, 2^53131885 is an apocalyptic number.

It is an amenable number.

53131885 is a deficient number, since it is larger than the sum of its proper divisors (18718355).

53131885 is a wasteful number, since it uses less digits than its factorization.

53131885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405.

The product of its digits is 14400, while the sum is 34.

The square root of 53131885 is about 7289.1621603583. The cubic root of 53131885 is about 375.9398882514.

The spelling of 53131885 in words is "fifty-three million, one hundred thirty-one thousand, eight hundred eighty-five".