549087 has 16 divisors (see below), whose sum is σ = 913152. Its totient is φ = 285120.

The previous prime is 549071. The next prime is 549089. The reversal of 549087 is 780945.

549087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 549087 - 2⁴ = 549071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

549087 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 958 + ... + 1419.

It is an arithmetic number, because the mean of its divisors is an integer number (57072).

2⁵⁴⁹⁰⁸⁷ is an apocalyptic number.

549087 is a deficient number, since it is larger than the sum of its proper divisors (364065).

549087 is a wasteful number, since it uses less digits than its factorization.

549087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 549087 is about 741.0040485719. The cubic root of 549087 is about 81.8867661741.

The spelling of 549087 in words is "five hundred forty-nine thousand, eighty-seven".