2104532553 has 4 divisors (see below), whose sum is σ = 2806043408. Its totient is φ = 1403021700.

The previous prime is 2104532539. The next prime is 2104532579. The reversal of 2104532553 is 3552354012.

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 not a de Polignac number, because 2104532553 - 2⁹ = 2104532041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2104532553.

It is not an unprimeable number, because it can be changed into a prime (2104532653) 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 3 ways as a sum of consecutive naturals, for example, 350755423 + ... + 350755428.

It is an arithmetic number, because the mean of its divisors is an integer number (701510852).

Almost surely, 2^2104532553 is an apocalyptic number.

It is an amenable number.

2104532553 is a deficient number, since it is larger than the sum of its proper divisors (701510855).

2104532553 is an equidigital number, since it uses as much as digits as its factorization.

2104532553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701510854.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 2104532553 is about 45875.1845009914. The cubic root of 2104532553 is about 1281.4998192765.

Adding to 2104532553 its reverse (3552354012), we get a palindrome (5656886565).

The spelling of 2104532553 in words is "two billion, one hundred four million, five hundred thirty-two thousand, five hundred fifty-three".