56455173067 has 2 divisors, whose sum is σ = 56455173068. Its totient is φ = 56455173066.

The previous prime is 56455173031. The next prime is 56455173077. The reversal of 56455173067 is 76037155465.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56455173067 is a prime.

It is a super-3 number, since 3×56455173067³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56455173067.

It is not a weakly prime, because it can be changed into another prime (56455173077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28227586533 + 28227586534.

It is an arithmetic number, because the mean of its divisors is an integer number (28227586534).

Almost surely, 2^56455173067 is an apocalyptic number.

56455173067 is a deficient number, since it is larger than the sum of its proper divisors (1).

56455173067 is an equidigital number, since it uses as much as digits as its factorization.

56455173067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646000, while the sum is 49.

The spelling of 56455173067 in words is "fifty-six billion, four hundred fifty-five million, one hundred seventy-three thousand, sixty-seven".