53398131 has 16 divisors (see below), whose sum is σ = 73687680. Its totient is φ = 34372800.

The previous prime is 53398123. The next prime is 53398159. The reversal of 53398131 is 13189335.

It is not a de Polignac number, because 53398131 - 2³ = 53398123 is a prime.

It is a super-2 number, since 2×53398131² = 5702720788586322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53398092 and 53398101.

It is not an unprimeable number, because it can be changed into a prime (53398171) 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, 9156 + ... + 13806.

It is an arithmetic number, because the mean of its divisors is an integer number (4605480).

Almost surely, 2^53398131 is an apocalyptic number.

53398131 is a deficient number, since it is larger than the sum of its proper divisors (20289549).

53398131 is a wasteful number, since it uses less digits than its factorization.

53398131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786.

The product of its digits is 9720, while the sum is 33.

The square root of 53398131 is about 7307.4024796777. The cubic root of 53398131 is about 376.5667922044.

The spelling of 53398131 in words is "fifty-three million, three hundred ninety-eight thousand, one hundred thirty-one".