14215542553 has 2 divisors, whose sum is σ = 14215542554. Its totient is φ = 14215542552.

The previous prime is 14215542521. The next prime is 14215542563. The reversal of 14215542553 is 35524551241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11242785024 + 2972757529 = 106032^2 + 54523^2 .

It is an emirp because it is prime and its reverse (35524551241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14215542553 - 2⁵ = 14215542521 is a prime.

It is not a weakly prime, because it can be changed into another prime (14215542563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7107771276 + 7107771277.

It is an arithmetic number, because the mean of its divisors is an integer number (7107771277).

Almost surely, 2^14215542553 is an apocalyptic number.

It is an amenable number.

14215542553 is a deficient number, since it is larger than the sum of its proper divisors (1).

14215542553 is an equidigital number, since it uses as much as digits as its factorization.

14215542553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120000, while the sum is 37.

The spelling of 14215542553 in words is "fourteen billion, two hundred fifteen million, five hundred forty-two thousand, five hundred fifty-three".