53189331 has 16 divisors (see below), whose sum is σ = 76505856. Its totient is φ = 32675616.

The previous prime is 53189329. The next prime is 53189351. The reversal of 53189331 is 13398135.

It is not a de Polignac number, because 53189331 - 2¹ = 53189329 is a prime.

It is a super-2 number, since 2×53189331² = 5658209864455122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53189292 and 53189301.

It is not an unprimeable number, because it can be changed into a prime (53189321) 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, 40816 + ... + 42098.

It is an arithmetic number, because the mean of its divisors is an integer number (4781616).

Almost surely, 2^53189331 is an apocalyptic number.

53189331 is a deficient number, since it is larger than the sum of its proper divisors (23316525).

53189331 is a wasteful number, since it uses less digits than its factorization.

53189331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362.

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

The square root of 53189331 is about 7293.1016035703. The cubic root of 53189331 is about 376.0753277289.

The spelling of 53189331 in words is "fifty-three million, one hundred eighty-nine thousand, three hundred thirty-one".