549506 has 8 divisors (see below), whose sum is σ = 850944. Its totient is φ = 265860.

The previous prime is 549503. The next prime is 549509. The reversal of 549506 is 605945.

It is an interprime number because it is at equal distance from previous prime (549503) and next prime (549509).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (549503) 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, 4370 + ... + 4493.

It is an arithmetic number, because the mean of its divisors is an integer number (106368).

2⁵⁴⁹⁵⁰⁶ is an apocalyptic number.

549506 is a deficient number, since it is larger than the sum of its proper divisors (301438).

549506 is a wasteful number, since it uses less digits than its factorization.

549506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8896.

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

The square root of 549506 is about 741.2867191580. The cubic root of 549506 is about 81.9075897300.

The spelling of 549506 in words is "five hundred forty-nine thousand, five hundred six".