56455173133 has 2 divisors, whose sum is σ = 56455173134. Its totient is φ = 56455173132.

The previous prime is 56455173109. The next prime is 56455173179. The reversal of 56455173133 is 33137155465.

56455173133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48648036969 + 7807136164 = 220563^2 + 88358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56455173133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56455173133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56455173433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28227586566 + 28227586567.

It is an arithmetic number, because the mean of its divisors is an integer number (28227586567).

Almost surely, 2^56455173133 is an apocalyptic number.

It is an amenable number.

56455173133 is a deficient number, since it is larger than the sum of its proper divisors (1).

56455173133 is an equidigital number, since it uses as much as digits as its factorization.

56455173133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 567000, while the sum is 43.

The spelling of 56455173133 in words is "fifty-six billion, four hundred fifty-five million, one hundred seventy-three thousand, one hundred thirty-three".