2556322554 has 16 divisors (see below), whose sum is σ = 5114820960. Its totient is φ = 851744880.

The previous prime is 2556322543. The next prime is 2556322579. The reversal of 2556322554 is 4552236552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75184 + ... + 103755.

It is an arithmetic number, because the mean of its divisors is an integer number (319676310).

Almost surely, 2^2556322554 is an apocalyptic number.

2556322554 is an abundant number, since it is smaller than the sum of its proper divisors (2558498406).

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

2556322554 is a wasteful number, since it uses less digits than its factorization.

2556322554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181325.

The product of its digits is 360000, while the sum is 39.

The square root of 2556322554 is about 50560.0885481820. The cubic root of 2556322554 is about 1367.3254075826.

The spelling of 2556322554 in words is "two billion, five hundred fifty-six million, three hundred twenty-two thousand, five hundred fifty-four".