53731164 has 24 divisors (see below), whose sum is σ = 131971840. Its totient is φ = 16967664.

The previous prime is 53731109. The next prime is 53731177. The reversal of 53731164 is 46113735.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117604 + ... + 118059.

Almost surely, 2^53731164 is an apocalyptic number.

It is an amenable number.

53731164 is an abundant number, since it is smaller than the sum of its proper divisors (78240676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53731164 is a wasteful number, since it uses less digits than its factorization.

53731164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235689 (or 235687 counting only the distinct ones).

The product of its digits is 7560, while the sum is 30.

The square root of 53731164 is about 7330.1544322067. The cubic root of 53731164 is about 377.3480264839.

Adding to 53731164 its reverse (46113735), we get a palindrome (99844899).

The spelling of 53731164 in words is "fifty-three million, seven hundred thirty-one thousand, one hundred sixty-four".