51172773796 has 27 divisors (see below), whose sum is σ = 94529582721. Its totient is φ = 24235663104.

The previous prime is 51172773763. The next prime is 51172773811. The reversal of 51172773796 is 69737727115.

The square root of 51172773796 is 226214.

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

51172773796 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 428904100 + 50743869696 = 20710^2 + 225264^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8593156 + ... + 8599108.

Almost surely, 2^51172773796 is an apocalyptic number.

51172773796 is the 226214-th square number.

It is an amenable number.

51172773796 is a deficient number, since it is larger than the sum of its proper divisors (43356808925).

51172773796 is an frugal number, since it uses more digits than its factorization.

51172773796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11948 (or 5974 counting only the distinct ones).

The product of its digits is 3889620, while the sum is 55.

The spelling of 51172773796 in words is "fifty-one billion, one hundred seventy-two million, seven hundred seventy-three thousand, seven hundred ninety-six".