51318559296 has 63 divisors (see below), whose sum is σ = 147110969811. Its totient is φ = 17104374144.

The previous prime is 51318559291. The next prime is 51318559309. The reversal of 51318559296 is 69295581315.

The square root of 51318559296 is 226536.

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

51318559296 is a `hidden beast` number, since 51 + 3 + 18 + 559 + 29 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (51318559291) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5432145 + ... + 5441583.

Almost surely, 2^51318559296 is an apocalyptic number.

51318559296 is the 226536-th square number.

It is an amenable number.

51318559296 is an abundant number, since it is smaller than the sum of its proper divisors (95792410515).

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

51318559296 is an frugal number, since it uses more digits than its factorization.

51318559296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18896 (or 9444 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 54.

The spelling of 51318559296 in words is "fifty-one billion, three hundred eighteen million, five hundred fifty-nine thousand, two hundred ninety-six".