9505505500055 has 4 divisors (see below), whose sum is σ = 11406606600072. Its totient is φ = 7604404400040.

The previous prime is 9505505500039. The next prime is 9505505500061. The reversal of 9505505500055 is 5500055055059.

9505505500055 is digitally balanced in base 2, 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 is not a de Polignac number, because 9505505500055 - 2⁴ = 9505505500039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9505505499979 and 9505505500015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950550550001 + ... + 950550550010.

It is an arithmetic number, because the mean of its divisors is an integer number (2851651650018).

Almost surely, 2^{9505505500055} is an apocalyptic number.

9505505500055 is a deficient number, since it is larger than the sum of its proper divisors (1901101100017).

9505505500055 is a wasteful number, since it uses less digits than its factorization.

9505505500055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901101100016.

The product of its (nonzero) digits is 703125, while the sum is 44.

The spelling of 9505505500055 in words is "nine trillion, five hundred five billion, five hundred five million, five hundred thousand, fifty-five".