5555331099 has 12 divisors (see below), whose sum is σ = 8283218112. Its totient is φ = 3584084400.

The previous prime is 5555331091. The next prime is 5555331101. The reversal of 5555331099 is 9901335555.

5555331099 is a `hidden beast` number, since 5 + 5 + 5 + 533 + 109 + 9 = 666.

It is not a de Polignac number, because 5555331099 - 2³ = 5555331091 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5555331091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9955512 + ... + 9956069.

It is an arithmetic number, because the mean of its divisors is an integer number (690268176).

Almost surely, 2^5555331099 is an apocalyptic number.

5555331099 is a deficient number, since it is larger than the sum of its proper divisors (2727887013).

5555331099 is a wasteful number, since it uses less digits than its factorization.

5555331099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19911618 (or 19911615 counting only the distinct ones).

The product of its (nonzero) digits is 455625, while the sum is 45.

The square root of 5555331099 is about 74534.0935344356. The cubic root of 5555331099 is about 1771.0737629149.

The spelling of 5555331099 in words is "five billion, five hundred fifty-five million, three hundred thirty-one thousand, ninety-nine".