2005054453 has 4 divisors (see below), whose sum is σ = 2013887520. Its totient is φ = 1996221388.

The previous prime is 2005054393. The next prime is 2005054459. The reversal of 2005054453 is 3544505002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2005054453 - 2¹³ = 2005046261 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 (2005054459) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4416193 + ... + 4416646.

It is an arithmetic number, because the mean of its divisors is an integer number (503471880).

Almost surely, 2^2005054453 is an apocalyptic number.

It is an amenable number.

2005054453 is a deficient number, since it is larger than the sum of its proper divisors (8833067).

2005054453 is an equidigital number, since it uses as much as digits as its factorization.

2005054453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8833066.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 2005054453 is about 44777.8343938159. The cubic root of 2005054453 is about 1260.9815256635.

Adding to 2005054453 its reverse (3544505002), we get a palindrome (5549559455).

The spelling of 2005054453 in words is "two billion, five million, fifty-four thousand, four hundred fifty-three".