51772993276 has 12 divisors (see below), whose sum is σ = 90740228040. Its totient is φ = 25847213840.

The previous prime is 51772993211. The next prime is 51772993291. The reversal of 51772993276 is 67239927715.

It is a self number, because there is not a number n which added to its sum of digits gives 51772993276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9817735 + ... + 9823006.

It is an arithmetic number, because the mean of its divisors is an integer number (7561685670).

Almost surely, 2^51772993276 is an apocalyptic number.

It is an amenable number.

51772993276 is a deficient number, since it is larger than the sum of its proper divisors (38967234764).

51772993276 is a wasteful number, since it uses less digits than its factorization.

51772993276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19641404 (or 19641402 counting only the distinct ones).

The product of its digits is 10001880, while the sum is 58.

The spelling of 51772993276 in words is "fifty-one billion, seven hundred seventy-two million, nine hundred ninety-three thousand, two hundred seventy-six".