51716028 has 72 divisors (see below), whose sum is σ = 149374848. Its totient is φ = 13635648.

The previous prime is 51716009. The next prime is 51716033. The reversal of 51716028 is 82061715.

It is a junction number, because it is equal to n+sod(n) for n = 51715986 and 51716004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12375 + ... + 16017.

Almost surely, 2^51716028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51716028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74687424).

51716028 is an abundant number, since it is smaller than the sum of its proper divisors (97658820).

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

51716028 is a wasteful number, since it uses less digits than its factorization.

51716028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683 (or 3668 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 51716028 is about 7191.3856801037. The cubic root of 51716028 is about 372.5704336582.

The spelling of 51716028 in words is "fifty-one million, seven hundred sixteen thousand, twenty-eight".