2555255563 has 4 divisors (see below), whose sum is σ = 2920292080. Its totient is φ = 2190219048.

The previous prime is 2555255561. The next prime is 2555255579. The reversal of 2555255563 is 3655525552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2555255563 - 2¹ = 2555255561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2555255561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182518248 + ... + 182518261.

It is an arithmetic number, because the mean of its divisors is an integer number (730073020).

Almost surely, 2^2555255563 is an apocalyptic number.

2555255563 is a deficient number, since it is larger than the sum of its proper divisors (365036517).

2555255563 is an equidigital number, since it uses as much as digits as its factorization.

2555255563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365036516.

The product of its digits is 1125000, while the sum is 43.

The square root of 2555255563 is about 50549.5357347622. The cubic root of 2555255563 is about 1367.1351437822.

The spelling of 2555255563 in words is "two billion, five hundred fifty-five million, two hundred fifty-five thousand, five hundred sixty-three".