51264812 has 12 divisors (see below), whose sum is σ = 94435320. Its totient is φ = 24283296.

The previous prime is 51264751. The next prime is 51264817. The reversal of 51264812 is 21846215.

51264812 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 (51264817) 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 3 ways as a sum of consecutive naturals, for example, 337193 + ... + 337344.

It is an arithmetic number, because the mean of its divisors is an integer number (7869610).

Almost surely, 2^51264812 is an apocalyptic number.

It is an amenable number.

51264812 is a deficient number, since it is larger than the sum of its proper divisors (43170508).

51264812 is a wasteful number, since it uses less digits than its factorization.

51264812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674560 (or 674558 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 51264812 is about 7159.9449718556. The cubic root of 51264812 is about 371.4837232558.

The spelling of 51264812 in words is "fifty-one million, two hundred sixty-four thousand, eight hundred twelve".