550618163 has 2 divisors, whose sum is σ = 550618164. Its totient is φ = 550618162.

The previous prime is 550618111. The next prime is 550618181. The reversal of 550618163 is 361816055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550618163 - 2¹² = 550614067 is a prime.

It is a super-2 number, since 2×550618163² = 606360722850989138, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (550618193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275309081 + 275309082.

It is an arithmetic number, because the mean of its divisors is an integer number (275309082).

Almost surely, 2^550618163 is an apocalyptic number.

550618163 is a deficient number, since it is larger than the sum of its proper divisors (1).

550618163 is an equidigital number, since it uses as much as digits as its factorization.

550618163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 550618163 is about 23465.2543774833. The cubic root of 550618163 is about 819.6281096706.

The spelling of 550618163 in words is "five hundred fifty million, six hundred eighteen thousand, one hundred sixty-three".