5558869 has 4 divisors (see below), whose sum is σ = 5650060. Its totient is φ = 5467680.

The previous prime is 5558867. The next prime is 5558879. The reversal of 5558869 is 9688555.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1127844 + 4431025 = 1062^2 + 2105^2 .

It is a cyclic number.

It is not a de Polignac number, because 5558869 - 2¹ = 5558867 is a prime.

It is a super-2 number, since 2×5558869² = 61802049118322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5558863) 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 3 ways as a sum of consecutive naturals, for example, 45504 + ... + 45625.

It is an arithmetic number, because the mean of its divisors is an integer number (1412515).

Almost surely, 2^5558869 is an apocalyptic number.

It is an amenable number.

5558869 is a deficient number, since it is larger than the sum of its proper divisors (91191).

5558869 is an equidigital number, since it uses as much as digits as its factorization.

5558869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91190.

The product of its digits is 432000, while the sum is 46.

The square root of 5558869 is about 2357.7253868931. The cubic root of 5558869 is about 177.1449651340.

The spelling of 5558869 in words is "five million, five hundred fifty-eight thousand, eight hundred sixty-nine".