56555076163 has 4 divisors (see below), whose sum is σ = 56565475848. Its totient is φ = 56544676480.

The previous prime is 56555076143. The next prime is 56555076191. The reversal of 56555076163 is 36167055565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56555076163 - 2¹⁷ = 56554945091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56555076143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5191681 + ... + 5202562.

It is an arithmetic number, because the mean of its divisors is an integer number (14141368962).

Almost surely, 2^56555076163 is an apocalyptic number.

56555076163 is a deficient number, since it is larger than the sum of its proper divisors (10399685).

56555076163 is a wasteful number, since it uses less digits than its factorization.

56555076163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10399684.

The product of its (nonzero) digits is 2835000, while the sum is 49.

The spelling of 56555076163 in words is "fifty-six billion, five hundred fifty-five million, seventy-six thousand, one hundred sixty-three".