55030163 has 2 divisors, whose sum is σ = 55030164. Its totient is φ = 55030162.

The previous prime is 55030051. The next prime is 55030187. The reversal of 55030163 is 36103055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55030163 - 2¹⁶ = 54964627 is a prime.

It is not a weakly prime, because it can be changed into another prime (55030463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27515081 + 27515082.

It is an arithmetic number, because the mean of its divisors is an integer number (27515082).

Almost surely, 2^55030163 is an apocalyptic number.

55030163 is a deficient number, since it is larger than the sum of its proper divisors (1).

55030163 is an equidigital number, since it uses as much as digits as its factorization.

55030163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 55030163 is about 7418.2317974029. The cubic root of 55030163 is about 380.3647536471.

The spelling of 55030163 in words is "fifty-five million, thirty thousand, one hundred sixty-three".