51728884 has 24 divisors (see below), whose sum is σ = 92140160. Its totient is φ = 25406784.

The previous prime is 51728881. The next prime is 51728917. The reversal of 51728884 is 48882715.

51728884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×51728884³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51728884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51728881) 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 7 ways as a sum of consecutive naturals, for example, 98647 + ... + 99169.

Almost surely, 2^51728884 is an apocalyptic number.

It is an amenable number.

51728884 is a deficient number, since it is larger than the sum of its proper divisors (40411276).

51728884 is a wasteful number, since it uses less digits than its factorization.

51728884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 917 counting only the distinct ones).

The product of its digits is 143360, while the sum is 43.

The square root of 51728884 is about 7192.2794717669. The cubic root of 51728884 is about 372.6013033185.

The spelling of 51728884 in words is "fifty-one million, seven hundred twenty-eight thousand, eight hundred eighty-four".