51324812 has 36 divisors (see below), whose sum is σ = 112837200. Its totient is φ = 19995360.

The previous prime is 51324811. The next prime is 51324817. The reversal of 51324812 is 21842315.

51324812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51324811) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4187 + ... + 10962.

Almost surely, 2^51324812 is an apocalyptic number.

It is an amenable number.

51324812 is an abundant number, since it is smaller than the sum of its proper divisors (61512388).

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

51324812 is a wasteful number, since it uses less digits than its factorization.

51324812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15182 (or 15169 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 51324812 is about 7164.1337229284. The cubic root of 51324812 is about 371.6285941236.

The spelling of 51324812 in words is "fifty-one million, three hundred twenty-four thousand, eight hundred twelve".