5555049906 has 32 divisors (see below), whose sum is σ = 12763064448. Its totient is φ = 1578931200.

The previous prime is 5555049889. The next prime is 5555049917. The reversal of 5555049906 is 6099405555.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 334545 + ... + 350756.

It is an arithmetic number, because the mean of its divisors is an integer number (398845764).

Almost surely, 2^5555049906 is an apocalyptic number.

5555049906 is an abundant number, since it is smaller than the sum of its proper divisors (7208014542).

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

5555049906 is a wasteful number, since it uses less digits than its factorization.

5555049906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685506.

The product of its (nonzero) digits is 1215000, while the sum is 48.

The square root of 5555049906 is about 74532.2071724701. The cubic root of 5555049906 is about 1771.0438803907.

The spelling of 5555049906 in words is "five billion, five hundred fifty-five million, forty-nine thousand, nine hundred six".