51772223765272 has 16 divisors (see below), whose sum is σ = 101293481280240. Its totient is φ = 24760628757216.

The previous prime is 51772223765233. The next prime is 51772223765281. The reversal of 51772223765272 is 27256732227715.

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, 140685390483 + ... + 140685390850.

It is an arithmetic number, because the mean of its divisors is an integer number (6330842580015).

Almost surely, 2^{51772223765272} is an apocalyptic number.

It is an amenable number.

51772223765272 is a deficient number, since it is larger than the sum of its proper divisors (49521257514968).

51772223765272 is a wasteful number, since it uses less digits than its factorization.

51772223765272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281370781362 (or 281370781358 counting only the distinct ones).

The product of its digits is 34574400, while the sum is 58.

The spelling of 51772223765272 in words is "fifty-one trillion, seven hundred seventy-two billion, two hundred twenty-three million, seven hundred sixty-five thousand, two hundred seventy-two".