51482 has 4 divisors (see below), whose sum is σ = 77226. Its totient is φ = 25740.

The previous prime is 51481. The next prime is 51487. The reversal of 51482 is 28415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28415 = 5 ⋅5683.

It can be written as a sum of positive squares in only one way, i.e., 39601 + 11881 = 199^2 + 109^2 .

It is a nialpdrome in base 9.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 51482.

It is not an unprimeable number, because it can be changed into a prime (51481) 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 as a sum of consecutive naturals, namely, 12869 + ... + 12872.

2⁵¹⁴⁸² is an apocalyptic number.

51482 is a deficient number, since it is larger than the sum of its proper divisors (25744).

51482 is a wasteful number, since it uses less digits than its factorization.

51482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25743.

The product of its digits is 320, while the sum is 20.

The square root of 51482 is about 226.8964521538. The cubic root of 51482 is about 37.2007592245.

Adding to 51482 its reverse (28415), we get a palindrome (79897).

It can be divided in two parts, 5148 and 2, that multiplied together give a triangular number (10296 = T₁₄₃).

The spelling of 51482 in words is "fifty-one thousand, four hundred eighty-two".