549285073 has 4 divisors (see below), whose sum is σ = 552971700. Its totient is φ = 545598448.

The previous prime is 549285059. The next prime is 549285089. The reversal of 549285073 is 370582945.

549285073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 145757329 + 403527744 = 12073^2 + 20088^2 .

It is a cyclic number.

It is not a de Polignac number, because 549285073 - 2²⁵ = 515730641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (549285043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1843090 + ... + 1843387.

It is an arithmetic number, because the mean of its divisors is an integer number (138242925).

Almost surely, 2^549285073 is an apocalyptic number.

It is an amenable number.

549285073 is a deficient number, since it is larger than the sum of its proper divisors (3686627).

549285073 is a wasteful number, since it uses less digits than its factorization.

549285073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686626.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 549285073 is about 23436.8315478010. The cubic root of 549285073 is about 818.9661137021.

The spelling of 549285073 in words is "five hundred forty-nine million, two hundred eighty-five thousand, seventy-three".