51936538 has 16 divisors (see below), whose sum is σ = 82764000. Its totient is φ = 24373872.

The previous prime is 51936497. The next prime is 51936569. The reversal of 51936538 is 83563915.

51936538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51936538.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2128 + ... + 10411.

It is an arithmetic number, because the mean of its divisors is an integer number (5172750).

Almost surely, 2^51936538 is an apocalyptic number.

51936538 is a deficient number, since it is larger than the sum of its proper divisors (30827462).

51936538 is a wasteful number, since it uses less digits than its factorization.

51936538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12669.

The product of its digits is 97200, while the sum is 40.

The square root of 51936538 is about 7206.7009095702. The cubic root of 51936538 is about 373.0992124445.

The spelling of 51936538 in words is "fifty-one million, nine hundred thirty-six thousand, five hundred thirty-eight".