549065 has 16 divisors (see below), whose sum is σ = 734400. Its totient is φ = 390720.

The previous prime is 549037. The next prime is 549071. The reversal of 549065 is 560945.

It is not a de Polignac number, because 549065 - 2⁶ = 549001 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3611 + ... + 3759.

It is an arithmetic number, because the mean of its divisors is an integer number (45900).

2⁵⁴⁹⁰⁶⁵ is an apocalyptic number.

549065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

549065 is a deficient number, since it is larger than the sum of its proper divisors (185335).

549065 is a wasteful number, since it uses less digits than its factorization.

549065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 549065 is about 740.9892037000. The cubic root of 549065 is about 81.8856725205.

It can be divided in two parts, 5490 and 65, that added together give a palindrome (5555).

The spelling of 549065 in words is "five hundred forty-nine thousand, sixty-five".