2144520553 has 8 divisors (see below), whose sum is σ = 2507878208. Its totient is φ = 1795412304.

The previous prime is 2144520517. The next prime is 2144520589. The reversal of 2144520553 is 3550254412.

It is an interprime number because it is at equal distance from previous prime (2144520517) and next prime (2144520589).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2144520553 - 2⁹ = 2144520041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144520953) 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 7 ways as a sum of consecutive naturals, for example, 3562026 + ... + 3562627.

It is an arithmetic number, because the mean of its divisors is an integer number (313484776).

Almost surely, 2^2144520553 is an apocalyptic number.

It is an amenable number.

2144520553 is a deficient number, since it is larger than the sum of its proper divisors (363357655).

2144520553 is an equidigital number, since it uses as much as digits as its factorization.

2144520553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7124703.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2144520553 is about 46308.9683862640. The cubic root of 2144520553 is about 1289.5654953525.

Adding to 2144520553 its reverse (3550254412), we get a palindrome (5694774965).

The spelling of 2144520553 in words is "two billion, one hundred forty-four million, five hundred twenty thousand, five hundred fifty-three".