5518558 has 8 divisors (see below), whose sum is σ = 8544960. Its totient is φ = 2670240.

The previous prime is 5518553. The next prime is 5518567. The reversal of 5518558 is 8558155.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5518553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44443 + ... + 44566.

It is an arithmetic number, because the mean of its divisors is an integer number (1068120).

Almost surely, 2^5518558 is an apocalyptic number.

5518558 is a deficient number, since it is larger than the sum of its proper divisors (3026402).

5518558 is a wasteful number, since it uses less digits than its factorization.

5518558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89042.

The product of its digits is 40000, while the sum is 37.

The square root of 5518558 is about 2349.1611268706. The cubic root of 5518558 is about 176.7157278401.

The spelling of 5518558 in words is "five million, five hundred eighteen thousand, five hundred fifty-eight".