549000047 has 2 divisors, whose sum is σ = 549000048. Its totient is φ = 549000046.

The previous prime is 549000037. The next prime is 549000083. The reversal of 549000047 is 740000945.

549000047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 549000047 - 2⁴ = 549000031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 548999983 and 549000019.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549000037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274500023 + 274500024.

It is an arithmetic number, because the mean of its divisors is an integer number (274500024).

Almost surely, 2^549000047 is an apocalyptic number.

549000047 is a deficient number, since it is larger than the sum of its proper divisors (1).

549000047 is an equidigital number, since it uses as much as digits as its factorization.

549000047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 549000047 is about 23430.7500306755. The cubic root of 549000047 is about 818.8244343726.

The spelling of 549000047 in words is "five hundred forty-nine million, forty-seven", and thus it is an aban number.