51532 has 12 divisors (see below), whose sum is σ = 97216. Its totient is φ = 23760.

The previous prime is 51521. The next prime is 51539. The reversal of 51532 is 23515.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (51539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444 + ... + 547.

2⁵¹⁵³² is an apocalyptic number.

51532 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51532 is a deficient number, since it is larger than the sum of its proper divisors (45684).

51532 is a wasteful number, since it uses less digits than its factorization.

51532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008 (or 1006 counting only the distinct ones).

The product of its digits is 150, while the sum is 16.

The square root of 51532 is about 227.0066078333. The cubic root of 51532 is about 37.2127986177.

The spelling of 51532 in words is "fifty-one thousand, five hundred thirty-two".