51871184 has 20 divisors (see below), whose sum is σ = 103743360. Its totient is φ = 25098720.

The previous prime is 51871177. The next prime is 51871213. The reversal of 51871184 is 48117815.

51871184 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51794 + ... + 52785.

It is an arithmetic number, because the mean of its divisors is an integer number (5187168).

Almost surely, 2^51871184 is an apocalyptic number.

It is an amenable number.

51871184 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51871184 is a wasteful number, since it uses less digits than its factorization.

51871184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104618 (or 104612 counting only the distinct ones).

The product of its digits is 8960, while the sum is 35.

The square root of 51871184 is about 7202.1652299847. The cubic root of 51871184 is about 372.9426511126.

Adding to 51871184 its reverse (48117815), we get a palindrome (99988999).

The spelling of 51871184 in words is "fifty-one million, eight hundred seventy-one thousand, one hundred eighty-four".