56550116163 has 16 divisors (see below), whose sum is σ = 75683013120. Its totient is φ = 37558824576.

The previous prime is 56550116159. The next prime is 56550116171. The reversal of 56550116163 is 36161105565.

It is not a de Polignac number, because 56550116163 - 2² = 56550116159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56550116173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1312306 + ... + 1354712.

It is an arithmetic number, because the mean of its divisors is an integer number (4730188320).

Almost surely, 2^56550116163 is an apocalyptic number.

56550116163 is a deficient number, since it is larger than the sum of its proper divisors (19132896957).

56550116163 is a wasteful number, since it uses less digits than its factorization.

56550116163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44066.

The product of its (nonzero) digits is 81000, while the sum is 39.

The spelling of 56550116163 in words is "fifty-six billion, five hundred fifty million, one hundred sixteen thousand, one hundred sixty-three".