5558555 has 4 divisors (see below), whose sum is σ = 6670272. Its totient is φ = 4446840.

The previous prime is 5558551. The next prime is 5558557.

5558555 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 5558555 - 2² = 5558551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5558551) 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, 555851 + ... + 555860.

It is an arithmetic number, because the mean of its divisors is an integer number (1667568).

Almost surely, 2^5558555 is an apocalyptic number.

5558555 is a deficient number, since it is larger than the sum of its proper divisors (1111717).

5558555 is a wasteful number, since it uses less digits than its factorization.

5558555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111716.

The product of its digits is 125000, while the sum is 38.

The square root of 5558555 is about 2357.6587963486. The cubic root of 5558555 is about 177.1416296493.

The spelling of 5558555 in words is "five million, five hundred fifty-eight thousand, five hundred fifty-five".