51797712 has 80 divisors (see below), whose sum is σ = 139991040. Its totient is φ = 16482816.

The previous prime is 51797701. The next prime is 51797747. The reversal of 51797712 is 21779715.

51797712 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 15 ways as a sum of consecutive naturals, for example, 176638 + ... + 176930.

It is an arithmetic number, because the mean of its divisors is an integer number (1749888).

Almost surely, 2^51797712 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 51797712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69995520).

51797712 is an abundant number, since it is smaller than the sum of its proper divisors (88193328).

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

51797712 is a wasteful number, since it uses less digits than its factorization.

51797712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 454 counting only the distinct ones).

The product of its digits is 30870, while the sum is 39.

The square root of 51797712 is about 7197.0627341993. The cubic root of 51797712 is about 372.7664852874.

The spelling of 51797712 in words is "fifty-one million, seven hundred ninety-seven thousand, seven hundred twelve".