555449 has 6 divisors (see below), whose sum is σ = 568890. Its totient is φ = 542256.

The previous prime is 555439. The next prime is 555461. The reversal of 555449 is 944555.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 399424 + 156025 = 632^2 + 395^2 .

It is not a de Polignac number, because 555449 - 2¹⁶ = 489913 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 555449.

It is not an unprimeable number, because it can be changed into a prime (555419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6197 + ... + 6285.

It is an arithmetic number, because the mean of its divisors is an integer number (94815).

2⁵⁵⁵⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

555449 is a deficient number, since it is larger than the sum of its proper divisors (13441).

555449 is an frugal number, since it uses more digits than its factorization.

555449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 168 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 555449 is about 745.2845094325. The cubic root of 555449 is about 82.2018130363.

The spelling of 555449 in words is "five hundred fifty-five thousand, four hundred forty-nine".