549803 has 6 divisors (see below), whose sum is σ = 580644. Its totient is φ = 520524.

The previous prime is 549767. The next prime is 549817. The reversal of 549803 is 308945.

549803 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 549803 - 2⁶ = 549739 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 549803.

It is not an unprimeable number, because it can be changed into a prime (549833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 401 + ... + 1122.

It is an arithmetic number, because the mean of its divisors is an integer number (96774).

2⁵⁴⁹⁸⁰³ is an apocalyptic number.

549803 is a deficient number, since it is larger than the sum of its proper divisors (30841).

549803 is a wasteful number, since it uses less digits than its factorization.

549803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561 (or 1542 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 549803 is about 741.4870194413. The cubic root of 549803 is about 81.9223436925.

The spelling of 549803 in words is "five hundred forty-nine thousand, eight hundred three".