51651763636276 has 24 divisors (see below), whose sum is σ = 95875883054280. Its totient is φ = 24263993981952.

The previous prime is 51651763636261. The next prime is 51651763636303. The reversal of 51651763636276 is 67263636715615.

It can be written as a sum of positive squares in 4 ways, for example, as 22112321235876 + 29539442400400 = 4702374^2 + 5435020^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667434735 + ... + 667512118.

It is an arithmetic number, because the mean of its divisors is an integer number (3994828460595).

Almost surely, 2^{51651763636276} is an apocalyptic number.

It is an amenable number.

51651763636276 is a deficient number, since it is larger than the sum of its proper divisors (44224119418004).

51651763636276 is a wasteful number, since it uses less digits than its factorization.

51651763636276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334947443 (or 1334947441 counting only the distinct ones).

The product of its digits is 171460800, while the sum is 64.

The spelling of 51651763636276 in words is "fifty-one trillion, six hundred fifty-one billion, seven hundred sixty-three million, six hundred thirty-six thousand, two hundred seventy-six".