13443252055 has 4 divisors (see below), whose sum is σ = 16131902472. Its totient is φ = 10754601640.

The previous prime is 13443252049. The next prime is 13443252107. The reversal of 13443252055 is 55025234431.

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

It is not a de Polignac number, because 13443252055 - 2³ = 13443252047 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 13443252055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344325201 + ... + 1344325210.

It is an arithmetic number, because the mean of its divisors is an integer number (4032975618).

Almost surely, 2^13443252055 is an apocalyptic number.

13443252055 is a deficient number, since it is larger than the sum of its proper divisors (2688650417).

13443252055 is an equidigital number, since it uses as much as digits as its factorization.

13443252055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688650416.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 13443252055 its reverse (55025234431), we get a palindrome (68468486486).

The spelling of 13443252055 in words is "thirteen billion, four hundred forty-three million, two hundred fifty-two thousand, fifty-five".