51498 has 12 divisors (see below), whose sum is σ = 111618. Its totient is φ = 17160.

The previous prime is 51487. The next prime is 51503. The reversal of 51498 is 89415.

It can be written as a sum of positive squares in only one way, i.e., 42849 + 8649 = 207^2 + 93^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1413 + ... + 1448.

2⁵¹⁴⁹⁸ is an apocalyptic number.

51498 is an abundant number, since it is smaller than the sum of its proper divisors (60120).

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

51498 is a wasteful number, since it uses less digits than its factorization.

51498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869 (or 2866 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 51498 is about 226.9317077889. The cubic root of 51498 is about 37.2046126781.

The spelling of 51498 in words is "fifty-one thousand, four hundred ninety-eight".