51232 has 12 divisors (see below), whose sum is σ = 100926. Its totient is φ = 25600.

The previous prime is 51229. The next prime is 51239. The reversal of 51232 is 23215.

It can be written as a sum of positive squares in only one way, i.e., 26896 + 24336 = 164^2 + 156^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (51239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 769 + ... + 832.

2⁵¹²³² is an apocalyptic number.

It is an amenable number.

51232 is a deficient number, since it is larger than the sum of its proper divisors (49694).

51232 is a wasteful number, since it uses less digits than its factorization.

51232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1603 counting only the distinct ones).

The product of its digits is 60, while the sum is 13.

The square root of 51232 is about 226.3448696127. The cubic root of 51232 is about 37.1404450392.

Adding to 51232 its reverse (23215), we get a palindrome (74447).

It can be divided in two parts, 512 and 32, that multiplied together give a 14-th power (16384 = 2¹⁴).

The spelling of 51232 in words is "fifty-one thousand, two hundred thirty-two".