51368824 has 16 divisors (see below), whose sum is σ = 103725720. Its totient is φ = 23708640.

The previous prime is 51368797. The next prime is 51368843. The reversal of 51368824 is 42886315.

It is a happy number.

It is a congruent number.

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, 246862 + ... + 247069.

Almost surely, 2^51368824 is an apocalyptic number.

It is an amenable number.

51368824 is an abundant number, since it is smaller than the sum of its proper divisors (52356896).

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

51368824 is a wasteful number, since it uses less digits than its factorization.

51368824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493950 (or 493946 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 51368824 is about 7167.2047549934. The cubic root of 51368824 is about 371.7347899643.

The spelling of 51368824 in words is "fifty-one million, three hundred sixty-eight thousand, eight hundred twenty-four".