549804073 has 16 divisors (see below), whose sum is σ = 691084800. Its totient is φ = 425750976.

The previous prime is 549804071. The next prime is 549804091. The reversal of 549804073 is 370408945.

It is not a de Polignac number, because 549804073 - 2¹ = 549804071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (549804071) 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 in 15 ways as a sum of consecutive naturals, for example, 59998 + ... + 68551.

It is an arithmetic number, because the mean of its divisors is an integer number (43192800).

Almost surely, 2^549804073 is an apocalyptic number.

It is an amenable number.

549804073 is a deficient number, since it is larger than the sum of its proper divisors (141280727).

549804073 is a wasteful number, since it uses less digits than its factorization.

549804073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128616.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 549804073 is about 23447.9012493656. The cubic root of 549804073 is about 819.2239698589.

The spelling of 549804073 in words is "five hundred forty-nine million, eight hundred four thousand, seventy-three".