549383 has 4 divisors (see below), whose sum is σ = 561120. Its totient is φ = 537648.

The previous prime is 549379. The next prime is 549391. The reversal of 549383 is 383945.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 549383 - 2² = 549379 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 (549313) 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 3 ways as a sum of consecutive naturals, for example, 5798 + ... + 5891.

It is an arithmetic number, because the mean of its divisors is an integer number (140280).

2⁵⁴⁹³⁸³ is an apocalyptic number.

549383 is a deficient number, since it is larger than the sum of its proper divisors (11737).

549383 is a wasteful number, since it uses less digits than its factorization.

549383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11736.

The product of its digits is 12960, while the sum is 32.

The square root of 549383 is about 741.2037506651. The cubic root of 549383 is about 81.9014779464.

The spelling of 549383 in words is "five hundred forty-nine thousand, three hundred eighty-three".