51264672 has 24 divisors (see below), whose sum is σ = 134570016. Its totient is φ = 17088192.

The previous prime is 51264659. The next prime is 51264683. The reversal of 51264672 is 27646215.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266908 + ... + 267099.

It is an arithmetic number, because the mean of its divisors is an integer number (5607084).

Almost surely, 2^51264672 is an apocalyptic number.

It is an amenable number.

51264672 is an abundant number, since it is smaller than the sum of its proper divisors (83305344).

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

51264672 is a wasteful number, since it uses less digits than its factorization.

51264672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534020 (or 534012 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 51264672 is about 7159.9351952375. The cubic root of 51264672 is about 371.4833850916.

The spelling of 51264672 in words is "fifty-one million, two hundred sixty-four thousand, six hundred seventy-two".