549485 has 4 divisors (see below), whose sum is σ = 659388. Its totient is φ = 439584.

The previous prime is 549481. The next prime is 549503. The reversal of 549485 is 584945.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584945 = 5 ⋅116989.

It can be written as a sum of positive squares in 2 ways, for example, as 157609 + 391876 = 397^2 + 626^2 .

It is a cyclic number.

It is not a de Polignac number, because 549485 - 2² = 549481 is a prime.

It is a Duffinian number.

It is a plaindrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549481) 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, 54944 + ... + 54953.

It is an arithmetic number, because the mean of its divisors is an integer number (164847).

2⁵⁴⁹⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

549485 is a deficient number, since it is larger than the sum of its proper divisors (109903).

549485 is a wasteful number, since it uses less digits than its factorization.

549485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109902.

The product of its digits is 28800, while the sum is 35.

The square root of 549485 is about 741.2725544629. The cubic root of 549485 is about 81.9065463193.

The spelling of 549485 in words is "five hundred forty-nine thousand, four hundred eighty-five".