51179716 has 45 divisors (see below), whose sum is σ = 105936621. Its totient is φ = 21633696.

The previous prime is 51179683. The next prime is 51179719. The reversal of 51179716 is 61797115.

The square root of 51179716 is 7154.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 29052100 + 22127616 = 5390^2 + 4704^2 .

It is not an unprimeable number, because it can be changed into a prime (51179719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 701056 + ... + 701128.

Almost surely, 2^51179716 is an apocalyptic number.

51179716 is the 7154-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51179716

51179716 is an abundant number, since it is smaller than the sum of its proper divisors (54756905).

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

51179716 is an frugal number, since it uses more digits than its factorization.

51179716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 82 counting only the distinct ones).

The product of its digits is 13230, while the sum is 37.

The cubic root of 51179716 is about 371.2780637599.

The spelling of 51179716 in words is "fifty-one million, one hundred seventy-nine thousand, seven hundred sixteen".