13450526553 has 4 divisors (see below), whose sum is σ = 17934035408. Its totient is φ = 8967017700.

The previous prime is 13450526539. The next prime is 13450526581. The reversal of 13450526553 is 35562505431.

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 13450526553 - 2⁶ = 13450526489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13450526513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2241754423 + ... + 2241754428.

It is an arithmetic number, because the mean of its divisors is an integer number (4483508852).

Almost surely, 2^13450526553 is an apocalyptic number.

It is an amenable number.

13450526553 is a deficient number, since it is larger than the sum of its proper divisors (4483508855).

13450526553 is an equidigital number, since it uses as much as digits as its factorization.

13450526553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4483508854.

The product of its (nonzero) digits is 270000, while the sum is 39.

The spelling of 13450526553 in words is "thirteen billion, four hundred fifty million, five hundred twenty-six thousand, five hundred fifty-three".