5505946909 has 4 divisors (see below), whose sum is σ = 5506366716. Its totient is φ = 5505527104.

The previous prime is 5505946879. The next prime is 5505946967. The reversal of 5505946909 is 9096495055.

5505946909 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5092963225 + 412983684 = 71365^2 + 20322^2 .

It is a cyclic number.

It is not a de Polignac number, because 5505946909 - 2¹³ = 5505938717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5505946109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189574 + ... + 216679.

It is an arithmetic number, because the mean of its divisors is an integer number (1376591679).

Almost surely, 2^5505946909 is an apocalyptic number.

It is an amenable number.

5505946909 is a deficient number, since it is larger than the sum of its proper divisors (419807).

5505946909 is a wasteful number, since it uses less digits than its factorization.

5505946909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419806.

The product of its (nonzero) digits is 2187000, while the sum is 52.

The square root of 5505946909 is about 74202.0680911253. The cubic root of 5505946909 is about 1765.8101403285.

The spelling of 5505946909 in words is "five billion, five hundred five million, nine hundred forty-six thousand, nine hundred nine".