13453553 has 4 divisors (see below), whose sum is σ = 13615728. Its totient is φ = 13291380.

The previous prime is 13453547. The next prime is 13453589. The reversal of 13453553 is 35535431.

13453553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13453553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13453513) 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, 80963 + ... + 81128.

It is an arithmetic number, because the mean of its divisors is an integer number (3403932).

Almost surely, 2^13453553 is an apocalyptic number.

It is an amenable number.

13453553 is a deficient number, since it is larger than the sum of its proper divisors (162175).

13453553 is an equidigital number, since it uses as much as digits as its factorization.

13453553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162174.

The product of its digits is 13500, while the sum is 29.

The square root of 13453553 is about 3667.9085321202. The cubic root of 13453553 is about 237.8367698873.

Adding to 13453553 its reverse (35535431), we get a palindrome (48988984).

The spelling of 13453553 in words is "thirteen million, four hundred fifty-three thousand, five hundred fifty-three".