4255505545 has 4 divisors (see below), whose sum is σ = 5106606660. Its totient is φ = 3404404432.

The previous prime is 4255505543. The next prime is 4255505557. The reversal of 4255505545 is 5455055524.

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 3193267081 + 1062238464 = 56509^2 + 32592^2 .

It is a cyclic number.

It is not a de Polignac number, because 4255505545 - 2¹ = 4255505543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4255505498 and 4255505507.

It is not an unprimeable number, because it can be changed into a prime (4255505543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425550550 + ... + 425550559.

It is an arithmetic number, because the mean of its divisors is an integer number (1276651665).

Almost surely, 2^4255505545 is an apocalyptic number.

It is an amenable number.

4255505545 is a deficient number, since it is larger than the sum of its proper divisors (851101115).

4255505545 is an equidigital number, since it uses as much as digits as its factorization.

4255505545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851101114.

The product of its (nonzero) digits is 500000, while the sum is 40.

The square root of 4255505545 is about 65234.2359884746. The cubic root of 4255505545 is about 1620.5050430877.

The spelling of 4255505545 in words is "four billion, two hundred fifty-five million, five hundred five thousand, five hundred forty-five".