5518858 has 8 divisors (see below), whose sum is σ = 8288352. Its totient is φ = 2756076.

The previous prime is 5518847. The next prime is 5518859. The reversal of 5518858 is 8588155.

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 5518858.

It is not an unprimeable number, because it can be changed into a prime (5518859) 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, 1941 + ... + 3847.

It is an arithmetic number, because the mean of its divisors is an integer number (1036044).

Almost surely, 2^5518858 is an apocalyptic number.

5518858 is a deficient number, since it is larger than the sum of its proper divisors (2769494).

5518858 is a wasteful number, since it uses less digits than its factorization.

5518858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356.

The product of its digits is 64000, while the sum is 40.

The square root of 5518858 is about 2349.2249785834. The cubic root of 5518858 is about 176.7189299905.

It can be divided in two parts, 551 and 8858, that added together give a square (9409 = 97²).

The spelling of 5518858 in words is "five million, five hundred eighteen thousand, eight hundred fifty-eight".