51898 has 16 divisors (see below), whose sum is σ = 97344. Its totient is φ = 20160.

The previous prime is 51893. The next prime is 51899. The reversal of 51898 is 89815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15 + ... + 322.

It is an arithmetic number, because the mean of its divisors is an integer number (6084).

2⁵¹⁸⁹⁸ is an apocalyptic number.

51898 is a deficient number, since it is larger than the sum of its proper divisors (45446).

51898 is a wasteful number, since it uses less digits than its factorization.

51898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357.

The product of its digits is 2880, while the sum is 31.

The square root of 51898 is about 227.8113254428. The cubic root of 51898 is about 37.3006907131.

It can be divided in two parts, 518 and 98, that added together give a palindrome (616).

The spelling of 51898 in words is "fifty-one thousand, eight hundred ninety-eight".