51898182 has 32 divisors (see below), whose sum is σ = 120256512. Its totient is φ = 14624064.

The previous prime is 51898163. The next prime is 51898207. The reversal of 51898182 is 28189815.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5398 + ... + 11529.

It is an arithmetic number, because the mean of its divisors is an integer number (3758016).

Almost surely, 2^51898182 is an apocalyptic number.

51898182 is an abundant number, since it is smaller than the sum of its proper divisors (68358330).

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

51898182 is a wasteful number, since it uses less digits than its factorization.

51898182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17012.

The product of its digits is 46080, while the sum is 42.

The square root of 51898182 is about 7204.0392836242. The cubic root of 51898182 is about 373.0073431603.

The spelling of 51898182 in words is "fifty-one million, eight hundred ninety-eight thousand, one hundred eighty-two".