51338136 has 32 divisors (see below), whose sum is σ = 128919600. Its totient is φ = 17036160.

The previous prime is 51338117. The next prime is 51338141. The reversal of 51338136 is 63183315.

It is a congruent number.

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, 826 + ... + 10166.

Almost surely, 2^51338136 is an apocalyptic number.

It is an amenable number.

51338136 is an abundant number, since it is smaller than the sum of its proper divisors (77581464).

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

51338136 is a wasteful number, since it uses less digits than its factorization.

51338136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9579 (or 9575 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 51338136 is about 7165.0635726419. The cubic root of 51338136 is about 371.6607497924.

The spelling of 51338136 in words is "fifty-one million, three hundred thirty-eight thousand, one hundred thirty-six".