51939714 has 32 divisors (see below), whose sum is σ = 105520320. Its totient is φ = 17042432.

The previous prime is 51939703. The next prime is 51939733. The reversal of 51939714 is 41793915.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146962 + ... + 147314.

It is an arithmetic number, because the mean of its divisors is an integer number (3297510).

Almost surely, 2^51939714 is an apocalyptic number.

51939714 is an abundant number, since it is smaller than the sum of its proper divisors (53580606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51939714 is a wasteful number, since it uses less digits than its factorization.

51939714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674.

The product of its digits is 34020, while the sum is 39.

The square root of 51939714 is about 7206.9212566810. The cubic root of 51939714 is about 373.1068174884.

The spelling of 51939714 in words is "fifty-one million, nine hundred thirty-nine thousand, seven hundred fourteen".