6554409 has 8 divisors (see below), whose sum is σ = 8869920. Its totient is φ = 4304256.

The previous prime is 6554399. The next prime is 6554413. The reversal of 6554409 is 9044556.

6554409 is nontrivially palindromic in base 6.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6554409 - 2⁷ = 6554281 is a prime.

6554409 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6554409.

It is not an unprimeable number, because it can be changed into a prime (6554419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16104 + ... + 16505.

It is an arithmetic number, because the mean of its divisors is an integer number (1108740).

Almost surely, 2^6554409 is an apocalyptic number.

It is an amenable number.

6554409 is a deficient number, since it is larger than the sum of its proper divisors (2315511).

6554409 is a wasteful number, since it uses less digits than its factorization.

6554409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32679.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 6554409 is about 2560.1580029365. The cubic root of 6554409 is about 187.1448352229.

The spelling of 6554409 in words is "six million, five hundred fifty-four thousand, four hundred nine".