51364244 has 12 divisors (see below), whose sum is σ = 93795744. Its totient is φ = 24565464.

The previous prime is 51364237. The next prime is 51364273. The reversal of 51364244 is 44246315.

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, 279062 + ... + 279245.

It is an arithmetic number, because the mean of its divisors is an integer number (7816312).

Almost surely, 2^51364244 is an apocalyptic number.

It is an amenable number.

51364244 is a deficient number, since it is larger than the sum of its proper divisors (42431500).

51364244 is a wasteful number, since it uses less digits than its factorization.

51364244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558334 (or 558332 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 51364244 is about 7166.8852369771. The cubic root of 51364244 is about 371.7237417850.

The spelling of 51364244 in words is "fifty-one million, three hundred sixty-four thousand, two hundred forty-four".