13553423455 has 64 divisors (see below), whose sum is σ = 19576222848. Its totient is φ = 8878325760.

The previous prime is 13553423449. The next prime is 13553423561. The reversal of 13553423455 is 55432435531.

It is not a de Polignac number, because 13553423455 - 2³ = 13553423447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5061577 + ... + 5064253.

It is an arithmetic number, because the mean of its divisors is an integer number (305878482).

Almost surely, 2^13553423455 is an apocalyptic number.

13553423455 is a deficient number, since it is larger than the sum of its proper divisors (6022799393).

13553423455 is a wasteful number, since it uses less digits than its factorization.

13553423455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876.

The product of its digits is 540000, while the sum is 40.

Adding to 13553423455 its reverse (55432435531), we get a palindrome (68985858986).

The spelling of 13553423455 in words is "thirteen billion, five hundred fifty-three million, four hundred twenty-three thousand, four hundred fifty-five".