51844918 has 16 divisors (see below), whose sum is σ = 81382320. Its totient is φ = 24744096.

The previous prime is 51844909. The next prime is 51844943. The reversal of 51844918 is 81944815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2688 + ... + 10531.

It is an arithmetic number, because the mean of its divisors is an integer number (5086395).

Almost surely, 2^51844918 is an apocalyptic number.

51844918 is a deficient number, since it is larger than the sum of its proper divisors (29537402).

51844918 is a wasteful number, since it uses less digits than its factorization.

51844918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13311.

The product of its digits is 46080, while the sum is 40.

The square root of 51844918 is about 7200.3415196781. The cubic root of 51844918 is about 372.8796915218.

The spelling of 51844918 in words is "fifty-one million, eight hundred forty-four thousand, nine hundred eighteen".