2144575553 has 2 divisors, whose sum is σ = 2144575554. Its totient is φ = 2144575552.

The previous prime is 2144575547. The next prime is 2144575579. The reversal of 2144575553 is 3555754412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1822265344 + 322310209 = 42688^2 + 17953^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144575553 - 2²⁶ = 2077466689 is a prime.

It is a super-3 number, since 3×2144575553³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2144575553.

It is not a weakly prime, because it can be changed into another prime (2144575513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072287776 + 1072287777.

It is an arithmetic number, because the mean of its divisors is an integer number (1072287777).

Almost surely, 2^2144575553 is an apocalyptic number.

It is an amenable number.

2144575553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144575553 is an equidigital number, since it uses as much as digits as its factorization.

2144575553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420000, while the sum is 41.

The square root of 2144575553 is about 46309.5622199131. The cubic root of 2144575553 is about 1289.5765196497.

The spelling of 2144575553 in words is "two billion, one hundred forty-four million, five hundred seventy-five thousand, five hundred fifty-three".