53712732 has 24 divisors (see below), whose sum is σ = 126918400. Its totient is φ = 17677296.

The previous prime is 53712721. The next prime is 53712733. The reversal of 53712732 is 23721735.

It is a self number, because there is not a number n which added to its sum of digits gives 53712732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53712733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27382 + ... + 29277.

Almost surely, 2^53712732 is an apocalyptic number.

It is an amenable number.

53712732 is an abundant number, since it is smaller than the sum of its proper divisors (73205668).

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

53712732 is a wasteful number, since it uses less digits than its factorization.

53712732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56745 (or 56743 counting only the distinct ones).

The product of its digits is 8820, while the sum is 30.

The square root of 53712732 is about 7328.8970520809. The cubic root of 53712732 is about 377.3048729160.

The spelling of 53712732 in words is "fifty-three million, seven hundred twelve thousand, seven hundred thirty-two".