51616828 has 24 divisors (see below), whose sum is σ = 96030144. Its totient is φ = 24192000.

The previous prime is 51616801. The next prime is 51616843. The reversal of 51616828 is 82861615.

51616828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 17028 + ... + 19828.

It is an arithmetic number, because the mean of its divisors is an integer number (4001256).

Almost surely, 2^51616828 is an apocalyptic number.

It is an amenable number.

51616828 is a deficient number, since it is larger than the sum of its proper divisors (44413316).

51616828 is a wasteful number, since it uses less digits than its factorization.

51616828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093 (or 3091 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The square root of 51616828 is about 7184.4852286020. The cubic root of 51616828 is about 372.3320636928.

The spelling of 51616828 in words is "fifty-one million, six hundred sixteen thousand, eight hundred twenty-eight".