2055312306 has 20 divisors (see below), whose sum is σ = 4605422382. Its totient is φ = 685104048.

The previous prime is 2055312293. The next prime is 2055312349. The reversal of 2055312306 is 6032135502.

It can be written as a sum of positive squares in only one way, i.e., 1607609025 + 447703281 = 40095^2 + 21159^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2055312306.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6343395 + ... + 6343718.

Almost surely, 2^2055312306 is an apocalyptic number.

2055312306 is an abundant number, since it is smaller than the sum of its proper divisors (2550110076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2055312306 is a wasteful number, since it uses less digits than its factorization.

2055312306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12687127 (or 12687118 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 2055312306 is about 45335.5523402991. The cubic root of 2055312306 is about 1271.4304476668.

Adding to 2055312306 its reverse (6032135502), we get a palindrome (8087447808).

The spelling of 2055312306 in words is "two billion, fifty-five million, three hundred twelve thousand, three hundred six".