56766731273 has 16 divisors (see below), whose sum is σ = 67789468416. Its totient is φ = 46478076480.

The previous prime is 56766731269. The next prime is 56766731303. The reversal of 56766731273 is 37213766765.

56766731273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56766731273 - 2² = 56766731269 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56766733273) 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, 122498 + ... + 358523.

It is an arithmetic number, because the mean of its divisors is an integer number (4236841776).

Almost surely, 2^56766731273 is an apocalyptic number.

It is an amenable number.

56766731273 is a deficient number, since it is larger than the sum of its proper divisors (11022737143).

56766731273 is a wasteful number, since it uses less digits than its factorization.

56766731273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481784.

The product of its digits is 6667920, while the sum is 53.

The spelling of 56766731273 in words is "fifty-six billion, seven hundred sixty-six million, seven hundred thirty-one thousand, two hundred seventy-three".