5555556099 has 16 divisors (see below), whose sum is σ = 8346378240. Its totient is φ = 3651537960.

The previous prime is 5555556079. The next prime is 5555556107. The reversal of 5555556099 is 9906555555.

It is not a de Polignac number, because 5555556099 - 2⁵ = 5555556067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5555556079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1447107 + ... + 1450940.

It is an arithmetic number, because the mean of its divisors is an integer number (521648640).

Almost surely, 2^5555556099 is an apocalyptic number.

5555556099 is a deficient number, since it is larger than the sum of its proper divisors (2790822141).

5555556099 is a wasteful number, since it uses less digits than its factorization.

5555556099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898127 (or 2898121 counting only the distinct ones).

The product of its (nonzero) digits is 7593750, while the sum is 54.

The square root of 5555556099 is about 74535.6028955291. The cubic root of 5555556099 is about 1771.0976730539.

The spelling of 5555556099 in words is "five billion, five hundred fifty-five million, five hundred fifty-six thousand, ninety-nine".