2556168055 has 16 divisors (see below), whose sum is σ = 3577147200. Its totient is φ = 1752799776.

The previous prime is 2556168053. The next prime is 2556168061. The reversal of 2556168055 is 5508616552.

2556168055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2556168055 - 2¹ = 2556168053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556168053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 743524 + ... + 746953.

It is an arithmetic number, because the mean of its divisors is an integer number (223571700).

Almost surely, 2^2556168055 is an apocalyptic number.

2556168055 is a deficient number, since it is larger than the sum of its proper divisors (1020979145).

2556168055 is an equidigital number, since it uses as much as digits as its factorization.

2556168055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490503 (or 1490489 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 43.

The square root of 2556168055 is about 50558.5606500027. The cubic root of 2556168055 is about 1367.2978608940.

The spelling of 2556168055 in words is "two billion, five hundred fifty-six million, one hundred sixty-eight thousand, fifty-five".