51839938330 has 16 divisors (see below), whose sum is σ = 93906235080. Its totient is φ = 20603898432.

The previous prime is 51839938309. The next prime is 51839938351. The reversal of 51839938330 is 3383993815.

51839938330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51839938309) and next prime (51839938351).

It can be written as a sum of positive squares in 4 ways, for example, as 23197422249 + 28642516081 = 152307^2 + 169241^2 .

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, 16507965 + ... + 16511104.

Almost surely, 2^51839938330 is an apocalyptic number.

51839938330 is a deficient number, since it is larger than the sum of its proper divisors (42066296750).

51839938330 is a wasteful number, since it uses less digits than its factorization.

51839938330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33019233.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 51839938330 in words is "fifty-one billion, eight hundred thirty-nine million, nine hundred thirty-eight thousand, three hundred thirty".