5558638 has 8 divisors (see below), whose sum is σ = 8399232. Its totient is φ = 2758896.

The previous prime is 5558627. The next prime is 5558647. The reversal of 5558638 is 8368555.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5558638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9870 + ... + 10417.

It is an arithmetic number, because the mean of its divisors is an integer number (1049904).

Almost surely, 2^5558638 is an apocalyptic number.

5558638 is a deficient number, since it is larger than the sum of its proper divisors (2840594).

5558638 is a wasteful number, since it uses less digits than its factorization.

5558638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20426.

The product of its digits is 144000, while the sum is 40.

The square root of 5558638 is about 2357.6763984907. The cubic root of 5558638 is about 177.1425113342.

The spelling of 5558638 in words is "five million, five hundred fifty-eight thousand, six hundred thirty-eight".