549459 has 6 divisors (see below), whose sum is σ = 793676. Its totient is φ = 366300.

The previous prime is 549449. The next prime is 549481. The reversal of 549459 is 954945.

It is not a de Polignac number, because 549459 - 2⁴ = 549443 is a prime.

It is a Duffinian number.

549459 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (549449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30517 + ... + 30534.

2⁵⁴⁹⁴⁵⁹ is an apocalyptic number.

549459 is a deficient number, since it is larger than the sum of its proper divisors (244217).

549459 is a wasteful number, since it uses less digits than its factorization.

549459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61057 (or 61054 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 549459 is about 741.2550168464. The cubic root of 549459 is about 81.9052544407.

The spelling of 549459 in words is "five hundred forty-nine thousand, four hundred fifty-nine".