549927 has 36 divisors (see below), whose sum is σ = 978120. Its totient is φ = 296352.

The previous prime is 549911. The next prime is 549937. The reversal of 549927 is 729945.

It is not a de Polignac number, because 549927 - 2⁴ = 549911 is a prime.

It is an Ulam number.

549927 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 549891 and 549900.

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 549927.

It is not an unprimeable number, because it can be changed into a prime (549937) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12768 + ... + 12810.

It is an arithmetic number, because the mean of its divisors is an integer number (27170).

2⁵⁴⁹⁹²⁷ is an apocalyptic number.

549927 is a deficient number, since it is larger than the sum of its proper divisors (428193).

549927 is a wasteful number, since it uses less digits than its factorization.

549927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 82 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 549927 is about 741.5706304864. The cubic root of 549927 is about 81.9285020238.

The spelling of 549927 in words is "five hundred forty-nine thousand, nine hundred twenty-seven".