8255550505 has 8 divisors (see below), whose sum is σ = 9912522312. Its totient is φ = 6600532608.

The previous prime is 8255550503. The next prime is 8255550529. The reversal of 8255550505 is 5050555528.

8255550505 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 56791296 + 8198759209 = 7536^2 + 90547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8255550505 - 2¹ = 8255550503 is a prime.

It is a super-2 number, since 2×8255550505² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8255550503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479164 + ... + 496093.

It is an arithmetic number, because the mean of its divisors is an integer number (1239065289).

Almost surely, 2^8255550505 is an apocalyptic number.

It is an amenable number.

8255550505 is a deficient number, since it is larger than the sum of its proper divisors (1656971807).

8255550505 is a wasteful number, since it uses less digits than its factorization.

8255550505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976955.

The product of its (nonzero) digits is 250000, while the sum is 40.

The square root of 8255550505 is about 90860.0600098855. The cubic root of 8255550505 is about 2021.0730586828.

The spelling of 8255550505 in words is "eight billion, two hundred fifty-five million, five hundred fifty thousand, five hundred five".