550000549 has 12 divisors (see below), whose sum is σ = 640700064. Its totient is φ = 470763384.

The previous prime is 550000547. The next prime is 550000559. The reversal of 550000549 is 945000055.

It is not a de Polignac number, because 550000549 - 2¹ = 550000547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550000547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28854 + ... + 43960.

It is an arithmetic number, because the mean of its divisors is an integer number (53391672).

Almost surely, 2^550000549 is an apocalyptic number.

It is an amenable number.

550000549 is a deficient number, since it is larger than the sum of its proper divisors (90699515).

550000549 is a wasteful number, since it uses less digits than its factorization.

550000549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15864 (or 15857 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 550000549 is about 23452.0905038336. The cubic root of 550000549 is about 819.3215432111.

The spelling of 550000549 in words is "five hundred fifty million, five hundred forty-nine", and thus it is an aban number.