5558919 has 4 divisors (see below), whose sum is σ = 7411896. Its totient is φ = 3705944.

The previous prime is 5558879. The next prime is 5558933. The reversal of 5558919 is 9198555.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5558919 - 2⁹ = 5558407 is a prime.

It is a super-2 number, since 2×5558919² = 61803160897122, which contains 22 as substring.

It is a D-number.

5558919 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5558999) 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, 926484 + ... + 926489.

It is an arithmetic number, because the mean of its divisors is an integer number (1852974).

Almost surely, 2^5558919 is an apocalyptic number.

5558919 is a deficient number, since it is larger than the sum of its proper divisors (1852977).

5558919 is a wasteful number, since it uses less digits than its factorization.

5558919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852976.

The product of its digits is 81000, while the sum is 42.

The square root of 5558919 is about 2357.7359903093. The cubic root of 5558919 is about 177.1454962505.

The spelling of 5558919 in words is "five million, five hundred fifty-eight thousand, nine hundred nineteen".