51797876 has 48 divisors (see below), whose sum is σ = 103958400. Its totient is φ = 22384512.

The previous prime is 51797873. The next prime is 51797881. The reversal of 51797876 is 67879715.

It is a super-2 number, since 2×51797876² = 5366039916222752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51797873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101510 + ... + 102018.

It is an arithmetic number, because the mean of its divisors is an integer number (2165800).

Almost surely, 2^51797876 is an apocalyptic number.

It is an amenable number.

51797876 is an abundant number, since it is smaller than the sum of its proper divisors (52160524).

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

51797876 is a wasteful number, since it uses less digits than its factorization.

51797876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 646 counting only the distinct ones).

The product of its digits is 740880, while the sum is 50.

The square root of 51797876 is about 7197.0741277272. The cubic root of 51797876 is about 372.7668787001.

The spelling of 51797876 in words is "fifty-one million, seven hundred ninety-seven thousand, eight hundred seventy-six".