2543555422 has 32 divisors (see below), whose sum is σ = 4066070400. Its totient is φ = 1189935648.

The previous prime is 2543555401. The next prime is 2543555477. The reversal of 2543555422 is 2245553452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1702908 + ... + 1704400.

It is an arithmetic number, because the mean of its divisors is an integer number (127064700).

Almost surely, 2^2543555422 is an apocalyptic number.

2543555422 is a deficient number, since it is larger than the sum of its proper divisors (1522514978).

2543555422 is a wasteful number, since it uses less digits than its factorization.

2543555422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040.

The product of its digits is 240000, while the sum is 37.

The square root of 2543555422 is about 50433.6734930146. The cubic root of 2543555422 is about 1365.0453136527.

The spelling of 2543555422 in words is "two billion, five hundred forty-three million, five hundred fifty-five thousand, four hundred twenty-two".