2104495553 has 4 divisors (see below), whose sum is σ = 2105084868. Its totient is φ = 2103906240.

The previous prime is 2104495541. The next prime is 2104495559. The reversal of 2104495553 is 3555944012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1539149824 + 565345729 = 39232^2 + 23777^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104495553 - 2²⁸ = 1836060097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104495559) 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, 289268 + ... + 296453.

It is an arithmetic number, because the mean of its divisors is an integer number (526271217).

Almost surely, 2^2104495553 is an apocalyptic number.

It is an amenable number.

2104495553 is a deficient number, since it is larger than the sum of its proper divisors (589315).

2104495553 is an equidigital number, since it uses as much as digits as its factorization.

2104495553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589314.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 2104495553 is about 45874.7812310860. The cubic root of 2104495553 is about 1281.4923091731.

The spelling of 2104495553 in words is "two billion, one hundred four million, four hundred ninety-five thousand, five hundred fifty-three".