51994412 has 24 divisors (see below), whose sum is σ = 97218240. Its totient is φ = 24258960.

The previous prime is 51994373. The next prime is 51994427. The reversal of 51994412 is 21449915.

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, 14 + ... + 10197.

It is an arithmetic number, because the mean of its divisors is an integer number (4050760).

Almost surely, 2^51994412 is an apocalyptic number.

It is an amenable number.

51994412 is a deficient number, since it is larger than the sum of its proper divisors (45223828).

51994412 is a wasteful number, since it uses less digits than its factorization.

51994412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10301 (or 10299 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 51994412 is about 7210.7150824311. The cubic root of 51994412 is about 373.2377451564.

The spelling of 51994412 in words is "fifty-one million, nine hundred ninety-four thousand, four hundred twelve".