549910 has 16 divisors (see below), whose sum is σ = 999936. Its totient is φ = 217728.

The previous prime is 549883. The next prime is 549911. The reversal of 549910 is 19945.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549911) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1054 + ... + 1486.

It is an arithmetic number, because the mean of its divisors is an integer number (62496).

2⁵⁴⁹⁹¹⁰ is an apocalyptic number.

549910 is a deficient number, since it is larger than the sum of its proper divisors (450026).

549910 is a wasteful number, since it uses less digits than its factorization.

549910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 549910 is about 741.5591682395. The cubic root of 549910 is about 81.9276577912.

The spelling of 549910 in words is "five hundred forty-nine thousand, nine hundred ten".