53131625 has 16 divisors (see below), whose sum is σ = 68599440. Its totient is φ = 41036800.

The previous prime is 53131621. The next prime is 53131627. The reversal of 53131625 is 52613135.

It can be written as a sum of positive squares in 8 ways, for example, as 2849344 + 50282281 = 1688^2 + 7091^2 .

It is not a de Polignac number, because 53131625 - 2² = 53131621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53131594 and 53131603.

It is not an unprimeable number, because it can be changed into a prime (53131621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3704 + ... + 10953.

It is an arithmetic number, because the mean of its divisors is an integer number (4287465).

Almost surely, 2^53131625 is an apocalyptic number.

It is an amenable number.

53131625 is a deficient number, since it is larger than the sum of its proper divisors (15467815).

53131625 is a wasteful number, since it uses less digits than its factorization.

53131625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14701 (or 14691 counting only the distinct ones).

The product of its digits is 2700, while the sum is 26.

The square root of 53131625 is about 7289.1443256393. The cubic root of 53131625 is about 375.9392750318.

The spelling of 53131625 in words is "fifty-three million, one hundred thirty-one thousand, six hundred twenty-five".