51318874 has 16 divisors (see below), whose sum is σ = 78249600. Its totient is φ = 25238304.

The previous prime is 51318859. The next prime is 51318881. The reversal of 51318874 is 47881315.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59454 + ... + 60310.

It is an arithmetic number, because the mean of its divisors is an integer number (4890600).

Almost surely, 2^51318874 is an apocalyptic number.

51318874 is a deficient number, since it is larger than the sum of its proper divisors (26930726).

51318874 is a wasteful number, since it uses less digits than its factorization.

51318874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317.

The product of its digits is 26880, while the sum is 37.

The square root of 51318874 is about 7163.7192853992. The cubic root of 51318874 is about 371.6142617723.

The spelling of 51318874 in words is "fifty-one million, three hundred eighteen thousand, eight hundred seventy-four".