549975 has 12 divisors (see below), whose sum is σ = 909416. Its totient is φ = 293280.

The previous prime is 549949. The next prime is 549977. The reversal of 549975 is 579945.

It is not a de Polignac number, because 549975 - 2⁵ = 549943 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 (549977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3592 + ... + 3741.

2⁵⁴⁹⁹⁷⁵ is an apocalyptic number.

549975 is a deficient number, since it is larger than the sum of its proper divisors (359441).

549975 is a wasteful number, since it uses less digits than its factorization.

549975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7346 (or 7341 counting only the distinct ones).

The product of its digits is 56700, while the sum is 39.

The square root of 549975 is about 741.6029935215. The cubic root of 549975 is about 81.9308856454.

The spelling of 549975 in words is "five hundred forty-nine thousand, nine hundred seventy-five".