2055534243 has 32 divisors (see below), whose sum is σ = 3342680064. Its totient is φ = 1096768512.

The previous prime is 2055534241. The next prime is 2055534253. The reversal of 2055534243 is 3424355502.

It is a happy number.

It is a Cunningham number, because it is equal to 45338²-1.

It is not a de Polignac number, because 2055534243 - 2¹ = 2055534241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2055534241) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 22671 + ... + 68007.

It is an arithmetic number, because the mean of its divisors is an integer number (104458752).

Almost surely, 2^2055534243 is an apocalyptic number.

2055534243 is a deficient number, since it is larger than the sum of its proper divisors (1287145821).

2055534243 is a wasteful number, since it uses less digits than its factorization.

2055534243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45491.

The product of its (nonzero) digits is 72000, while the sum is 33.

The square root of 2055534243 is about 45337.9999889717. Note that the first 4 decimals coincide. The cubic root of 2055534243 is about 1271.4762099421.

Adding to 2055534243 its reverse (3424355502), we get a palindrome (5479889745).

The spelling of 2055534243 in words is "two billion, fifty-five million, five hundred thirty-four thousand, two hundred forty-three".