55000000163 has 2 divisors, whose sum is σ = 55000000164. Its totient is φ = 55000000162.

The previous prime is 55000000129. The next prime is 55000000171. The reversal of 55000000163 is 36100000055.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55000000163 is a prime.

It is not a weakly prime, because it can be changed into another prime (55000008163) 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 as a sum of consecutive naturals, namely, 27500000081 + 27500000082.

It is an arithmetic number, because the mean of its divisors is an integer number (27500000082).

Almost surely, 2^55000000163 is an apocalyptic number.

55000000163 is a deficient number, since it is larger than the sum of its proper divisors (1).

55000000163 is an equidigital number, since it uses as much as digits as its factorization.

55000000163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 20.

The spelling of 55000000163 in words is "fifty-five billion, one hundred sixty-three", and thus it is an aban number.