51394316 has 12 divisors (see below), whose sum is σ = 94673880. Its totient is φ = 24344640.

The previous prime is 51394309. The next prime is 51394327. The reversal of 51394316 is 61349315.

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, 338045 + ... + 338196.

It is an arithmetic number, because the mean of its divisors is an integer number (7889490).

Almost surely, 2^51394316 is an apocalyptic number.

It is an amenable number.

51394316 is a deficient number, since it is larger than the sum of its proper divisors (43279564).

51394316 is a wasteful number, since it uses less digits than its factorization.

51394316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676264 (or 676262 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 51394316 is about 7168.9829125197. The cubic root of 51394316 is about 371.7962714585.

The spelling of 51394316 in words is "fifty-one million, three hundred ninety-four thousand, three hundred sixteen".