5518755198 has 48 divisors (see below), whose sum is σ = 13056531696. Its totient is φ = 1670785920.

The previous prime is 5518755161. The next prime is 5518755223. The reversal of 5518755198 is 8915578155.

5518755198 is a `hidden beast` number, since 5 + 5 + 1 + 87 + 551 + 9 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208690 + ... + 233642.

It is an arithmetic number, because the mean of its divisors is an integer number (272011077).

Almost surely, 2^5518755198 is an apocalyptic number.

5518755198 is an abundant number, since it is smaller than the sum of its proper divisors (7537776498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5518755198 is a wasteful number, since it uses less digits than its factorization.

5518755198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26089 (or 26086 counting only the distinct ones).

The product of its digits is 2520000, while the sum is 54.

The square root of 5518755198 is about 74288.3247758354. The cubic root of 5518755198 is about 1767.1783271204.

The spelling of 5518755198 in words is "five billion, five hundred eighteen million, seven hundred fifty-five thousand, one hundred ninety-eight".