554409 has 12 divisors (see below), whose sum is σ = 807300. Its totient is φ = 366624.

The previous prime is 554383. The next prime is 554417. The reversal of 554409 is 904455.

554409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 275625 + 278784 = 525^2 + 528^2 .

It is not a de Polignac number, because 554409 - 2⁵ = 554377 is a prime.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 554409.

It is not an unprimeable number, because it can be changed into a prime (554419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1927 + ... + 2195.

It is an arithmetic number, because the mean of its divisors is an integer number (67275).

2⁵⁵⁴⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

554409 is a deficient number, since it is larger than the sum of its proper divisors (252891).

554409 is a wasteful number, since it uses less digits than its factorization.

554409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 554409 is about 744.5864624072. The cubic root of 554409 is about 82.1504772119.

Adding to 554409 its product of nonzero digits (3600), we get a square (558009 = 747²).

The spelling of 554409 in words is "five hundred fifty-four thousand, four hundred nine".