51732 has 24 divisors (see below), whose sum is σ = 134400. Its totient is φ = 17208.

The previous prime is 51721. The next prime is 51749. The reversal of 51732 is 23715.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 51732.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132 + ... + 347.

It is an arithmetic number, because the mean of its divisors is an integer number (5600).

2⁵¹⁷³² is an apocalyptic number.

It is an amenable number.

51732 is an abundant number, since it is smaller than the sum of its proper divisors (82668).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67200).

51732 is a wasteful number, since it uses less digits than its factorization.

51732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 484 counting only the distinct ones).

The product of its digits is 210, while the sum is 18.

The square root of 51732 is about 227.4466970523. The cubic root of 51732 is about 37.2608784647.

The spelling of 51732 in words is "fifty-one thousand, seven hundred thirty-two".