549539927 has 2 divisors, whose sum is σ = 549539928. Its totient is φ = 549539926.

The previous prime is 549539867. The next prime is 549539951. The reversal of 549539927 is 729935945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 549539927 - 2²⁶ = 482431063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549539827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274769963 + 274769964.

It is an arithmetic number, because the mean of its divisors is an integer number (274769964).

Almost surely, 2^549539927 is an apocalyptic number.

549539927 is a deficient number, since it is larger than the sum of its proper divisors (1).

549539927 is an equidigital number, since it uses as much as digits as its factorization.

549539927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3061800, while the sum is 53.

The square root of 549539927 is about 23442.2679576870. The cubic root of 549539927 is about 819.0927537831.

The spelling of 549539927 in words is "five hundred forty-nine million, five hundred thirty-nine thousand, nine hundred twenty-seven".