51538112 has 28 divisors (see below), whose sum is σ = 102967536. Its totient is φ = 25593600.

The previous prime is 51538111. The next prime is 51538117. The reversal of 51538112 is 21183515.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51538111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6998 + ... + 12330.

It is an arithmetic number, because the mean of its divisors is an integer number (3677412).

Almost surely, 2^51538112 is an apocalyptic number.

It is an amenable number.

51538112 is a deficient number, since it is larger than the sum of its proper divisors (51429424).

51538112 is a wasteful number, since it uses less digits than its factorization.

51538112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5496 (or 5486 counting only the distinct ones).

The product of its digits is 1200, while the sum is 26.

The square root of 51538112 is about 7179.0049449767. The cubic root of 51538112 is about 372.1426977887.

The spelling of 51538112 in words is "fifty-one million, five hundred thirty-eight thousand, one hundred twelve".