55177163 has 2 divisors, whose sum is σ = 55177164. Its totient is φ = 55177162.

The previous prime is 55177151. The next prime is 55177183. The reversal of 55177163 is 36177155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55177163 - 2⁴ = 55177147 is a prime.

It is not a weakly prime, because it can be changed into another prime (55177183) 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, 27588581 + 27588582.

It is an arithmetic number, because the mean of its divisors is an integer number (27588582).

Almost surely, 2^55177163 is an apocalyptic number.

55177163 is a deficient number, since it is larger than the sum of its proper divisors (1).

55177163 is an equidigital number, since it uses as much as digits as its factorization.

55177163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22050, while the sum is 35.

The square root of 55177163 is about 7428.1332109757. The cubic root of 55177163 is about 380.7031371980.

The spelling of 55177163 in words is "fifty-five million, one hundred seventy-seven thousand, one hundred sixty-three".