2005552133 has 4 divisors (see below), whose sum is σ = 2159825388. Its totient is φ = 1851278880.

The previous prime is 2005552127. The next prime is 2005552189. The reversal of 2005552133 is 3312555002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3312555002 = 2 ⋅1656277501.

It can be written as a sum of positive squares in 2 ways, for example, as 285542404 + 1720009729 = 16898^2 + 41473^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005552133 - 2²⁸ = 1737116677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005522133) 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, 77136608 + ... + 77136633.

It is an arithmetic number, because the mean of its divisors is an integer number (539956347).

Almost surely, 2^2005552133 is an apocalyptic number.

It is an amenable number.

2005552133 is a deficient number, since it is larger than the sum of its proper divisors (154273255).

2005552133 is a wasteful number, since it uses less digits than its factorization.

2005552133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154273254.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 2005552133 is about 44783.3912628331. The cubic root of 2005552133 is about 1261.0858475800.

The spelling of 2005552133 in words is "two billion, five million, five hundred fifty-two thousand, one hundred thirty-three".