51193924 has 12 divisors (see below), whose sum is σ = 89667900. Its totient is φ = 25574528.

The previous prime is 51193913. The next prime is 51193937. The reversal of 51193924 is 42939115.

It can be written as a sum of positive squares in 2 ways, for example, as 26193924 + 25000000 = 5118^2 + 5000^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51193924.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192 + ... + 10120.

It is an arithmetic number, because the mean of its divisors is an integer number (7472325).

Almost surely, 2^51193924 is an apocalyptic number.

It is an amenable number.

51193924 is a deficient number, since it is larger than the sum of its proper divisors (38473976).

51193924 is a wasteful number, since it uses less digits than its factorization.

51193924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11222 (or 11220 counting only the distinct ones).

The product of its digits is 9720, while the sum is 34.

The square root of 51193924 is about 7154.9929419951. The cubic root of 51193924 is about 371.3124174133.

The spelling of 51193924 in words is "fifty-one million, one hundred ninety-three thousand, nine hundred twenty-four".