549101 has 8 divisors (see below), whose sum is σ = 641280. Its totient is φ = 460368.

The previous prime is 549097. The next prime is 549121. The reversal of 549101 is 101945.

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

It is a cyclic number.

It is not a de Polignac number, because 549101 - 2² = 549097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 549101.

It is not an unprimeable number, because it can be changed into a prime (549121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506 + ... + 1163.

It is an arithmetic number, because the mean of its divisors is an integer number (80160).

2⁵⁴⁹¹⁰¹ is an apocalyptic number.

It is an amenable number.

549101 is a deficient number, since it is larger than the sum of its proper divisors (92179).

549101 is a wasteful number, since it uses less digits than its factorization.

549101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 549101 is about 741.0134951538. The cubic root of 549101 is about 81.8874621203.

Subtracting from 549101 its sum of digits (20), we obtain a square (549081 = 741²).

The spelling of 549101 in words is "five hundred forty-nine thousand, one hundred one".