549477 has 16 divisors (see below), whose sum is σ = 833280. Its totient is φ = 357696.

The previous prime is 549449. The next prime is 549481. The reversal of 549477 is 774945.

It is a happy number.

It is not a de Polignac number, because 549477 - 2⁸ = 549221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549877) 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, 1053 + ... + 1485.

It is an arithmetic number, because the mean of its divisors is an integer number (52080).

2⁵⁴⁹⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

549477 is a deficient number, since it is larger than the sum of its proper divisors (283803).

549477 is a wasteful number, since it uses less digits than its factorization.

549477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 483 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 549477 is about 741.2671583174. The cubic root of 549477 is about 81.9061488225.

The spelling of 549477 in words is "five hundred forty-nine thousand, four hundred seventy-seven".