2655556263 has 12 divisors (see below), whose sum is σ = 3841615128. Its totient is φ = 1767688560.

The previous prime is 2655556229. The next prime is 2655556273. The reversal of 2655556263 is 3626555562.

2655556263 is a `hidden beast` number, since 26 + 5 + 5 + 5 + 562 + 63 = 666.

It is not a de Polignac number, because 2655556263 - 2⁹ = 2655555751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655556273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217245 + ... + 229142.

It is an arithmetic number, because the mean of its divisors is an integer number (320134594).

Almost surely, 2^2655556263 is an apocalyptic number.

2655556263 is a deficient number, since it is larger than the sum of its proper divisors (1186058865).

2655556263 is a wasteful number, since it uses less digits than its factorization.

2655556263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447054 (or 447051 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 45.

The square root of 2655556263 is about 51532.0896432504. The cubic root of 2655556263 is about 1384.7939869176.

The spelling of 2655556263 in words is "two billion, six hundred fifty-five million, five hundred fifty-six thousand, two hundred sixty-three".