51264424 has 16 divisors (see below), whose sum is σ = 100300320. Its totient is φ = 24517680.

The previous prime is 51264397. The next prime is 51264457. The reversal of 51264424 is 42446215.

51264424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51264392 and 51264401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139122 + ... + 139489.

It is an arithmetic number, because the mean of its divisors is an integer number (6268770).

Almost surely, 2^51264424 is an apocalyptic number.

It is an amenable number.

51264424 is a deficient number, since it is larger than the sum of its proper divisors (49035896).

51264424 is a wasteful number, since it uses less digits than its factorization.

51264424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278640 (or 278636 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 51264424 is about 7159.9178766240. The cubic root of 51264424 is about 371.4827860564.

The spelling of 51264424 in words is "fifty-one million, two hundred sixty-four thousand, four hundred twenty-four".