2555348813 has 6 divisors (see below), whose sum is σ = 2561050926. Its totient is φ = 2549659352.

The previous prime is 2555348801. The next prime is 2555348819. The reversal of 2555348813 is 3188435552.

2555348813 is digitally balanced in base 2, 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 only one way, i.e., 1361093449 + 1194255364 = 36893^2 + 34558^2 .

It is not a de Polignac number, because 2555348813 - 2²² = 2551154509 is a prime.

It is a super-2 number, since 2×2555348813² = 13059615112201017938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555348819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212231 + ... + 223947.

It is an arithmetic number, because the mean of its divisors is an integer number (426841821).

Almost surely, 2^2555348813 is an apocalyptic number.

It is an amenable number.

2555348813 is a deficient number, since it is larger than the sum of its proper divisors (5702113).

2555348813 is an frugal number, since it uses more digits than its factorization.

2555348813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12651 (or 12184 counting only the distinct ones).

The product of its digits is 576000, while the sum is 44.

The square root of 2555348813 is about 50550.4580889234. The cubic root of 2555348813 is about 1367.1517740563.

The spelling of 2555348813 in words is "two billion, five hundred fifty-five million, three hundred forty-eight thousand, eight hundred thirteen".