56772657351 has 16 divisors (see below), whose sum is σ = 86063633920. Its totient is φ = 36968241240.

The previous prime is 56772657317. The next prime is 56772657353. The reversal of 56772657351 is 15375627765.

56772657351 is a `hidden beast` number, since 5 + 67 + 7 + 2 + 6 + 573 + 5 + 1 = 666.

56772657351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56772657351 - 2⁶ = 56772657287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56772657353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24448735 + ... + 24451056.

It is an arithmetic number, because the mean of its divisors is an integer number (5378977120).

Almost surely, 2^56772657351 is an apocalyptic number.

56772657351 is a deficient number, since it is larger than the sum of its proper divisors (29290976569).

56772657351 is a wasteful number, since it uses less digits than its factorization.

56772657351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48899843 (or 48899837 counting only the distinct ones).

The product of its digits is 9261000, while the sum is 54.

The spelling of 56772657351 in words is "fifty-six billion, seven hundred seventy-two million, six hundred fifty-seven thousand, three hundred fifty-one".