5518683855 has 48 divisors (see below), whose sum is σ = 10303413120. Its totient is φ = 2723523264.

The previous prime is 5518683799. The next prime is 5518683887. The reversal of 5518683855 is 5583868155.

It is a happy number.

5518683855 is a `hidden beast` number, since 551 + 8 + 6 + 8 + 3 + 85 + 5 = 666.

It is not a de Polignac number, because 5518683855 - 2⁷ = 5518683727 is a prime.

It is a super-2 number, since 2×5518683855² = 60911742982875322050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38289 + ... + 111818.

It is an arithmetic number, because the mean of its divisors is an integer number (214654440).

Almost surely, 2^5518683855 is an apocalyptic number.

5518683855 is a deficient number, since it is larger than the sum of its proper divisors (4784729265).

5518683855 is a wasteful number, since it uses less digits than its factorization.

5518683855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150180 (or 150177 counting only the distinct ones).

The product of its digits is 5760000, while the sum is 54.

The square root of 5518683855 is about 74287.8445978883. The cubic root of 5518683855 is about 1767.1707120972.

The spelling of 5518683855 in words is "five billion, five hundred eighteen million, six hundred eighty-three thousand, eight hundred fifty-five".