549960163 has 2 divisors, whose sum is σ = 549960164. Its totient is φ = 549960162.

The previous prime is 549960109. The next prime is 549960209. The reversal of 549960163 is 361069945.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-549960163 is a prime.

It is not a weakly prime, because it can be changed into another prime (549961163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274980081 + 274980082.

It is an arithmetic number, because the mean of its divisors is an integer number (274980082).

Almost surely, 2^549960163 is an apocalyptic number.

549960163 is a deficient number, since it is larger than the sum of its proper divisors (1).

549960163 is an equidigital number, since it uses as much as digits as its factorization.

549960163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 549960163 is about 23451.2294560435. The cubic root of 549960163 is about 819.3014887282.

The spelling of 549960163 in words is "five hundred forty-nine million, nine hundred sixty thousand, one hundred sixty-three".