5547555018 has 12 divisors (see below), whose sum is σ = 12019702578. Its totient is φ = 1849185000.

The previous prime is 5547555011. The next prime is 5547555019. The reversal of 5547555018 is 8105557455.

5547555018 is a `hidden beast` number, since 5 + 547 + 55 + 50 + 1 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3745807209 + 1801747809 = 61203^2 + 42447^2 .

It is not an unprimeable number, because it can be changed into a prime (5547555011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154098733 + ... + 154098768.

Almost surely, 2^5547555018 is an apocalyptic number.

5547555018 is an abundant number, since it is smaller than the sum of its proper divisors (6472147560).

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

5547555018 is a wasteful number, since it uses less digits than its factorization.

5547555018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308197509 (or 308197506 counting only the distinct ones).

The product of its (nonzero) digits is 700000, while the sum is 45.

The square root of 5547555018 is about 74481.9106763515. The cubic root of 5547555018 is about 1770.2470228826.

The spelling of 5547555018 in words is "five billion, five hundred forty-seven million, five hundred fifty-five thousand, eighteen".