2555512045 has 16 divisors (see below), whose sum is σ = 3205082160. Its totient is φ = 1953552384.

The previous prime is 2555512039. The next prime is 2555512049. The reversal of 2555512045 is 5402155552.

It can be written as a sum of positive squares in 8 ways, for example, as 74874409 + 2480637636 = 8653^2 + 49806^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555512045 - 2⁵ = 2555512013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2555512045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555512049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76782 + ... + 104911.

It is an arithmetic number, because the mean of its divisors is an integer number (200317635).

Almost surely, 2^2555512045 is an apocalyptic number.

It is an amenable number.

2555512045 is a deficient number, since it is larger than the sum of its proper divisors (649570115).

2555512045 is a wasteful number, since it uses less digits than its factorization.

2555512045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181824.

The product of its (nonzero) digits is 50000, while the sum is 34.

The square root of 2555512045 is about 50552.0726083511. The cubic root of 2555512045 is about 1367.1808839982.

Adding to 2555512045 its reverse (5402155552), we get a palindrome (7957667597).

The spelling of 2555512045 in words is "two billion, five hundred fifty-five million, five hundred twelve thousand, forty-five".