51338924 has 24 divisors (see below), whose sum is σ = 110576928. Its totient is φ = 20309760.

The previous prime is 51338897. The next prime is 51338939. The reversal of 51338924 is 42983315.

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, 70157 + ... + 70884.

It is an arithmetic number, because the mean of its divisors is an integer number (4607372).

Almost surely, 2^51338924 is an apocalyptic number.

It is an amenable number.

51338924 is an abundant number, since it is smaller than the sum of its proper divisors (59238004).

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

51338924 is a wasteful number, since it uses less digits than its factorization.

51338924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141065 (or 141063 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 51338924 is about 7165.1185614754. The cubic root of 51338924 is about 371.6626513494.

The spelling of 51338924 in words is "fifty-one million, three hundred thirty-eight thousand, nine hundred twenty-four".