549045047 has 2 divisors, whose sum is σ = 549045048. Its totient is φ = 549045046.

The previous prime is 549045037. The next prime is 549045053. The reversal of 549045047 is 740540945.

549045047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 549045047 - 2¹² = 549040951 is a prime.

It is a super-3 number, since 3×549045047³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 549045047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549045037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274522523 + 274522524.

It is an arithmetic number, because the mean of its divisors is an integer number (274522524).

Almost surely, 2^549045047 is an apocalyptic number.

549045047 is a deficient number, since it is larger than the sum of its proper divisors (1).

549045047 is an equidigital number, since it uses as much as digits as its factorization.

549045047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 549045047 is about 23431.7102875569. The cubic root of 549045047 is about 818.8468060117.

The spelling of 549045047 in words is "five hundred forty-nine million, forty-five thousand, forty-seven".