13544255453 has 16 divisors (see below), whose sum is σ = 14494132224. Its totient is φ = 12611988480.

The previous prime is 13544255441. The next prime is 13544255471. The reversal of 13544255453 is 35455244531.

It is a cyclic number.

It is not a de Polignac number, because 13544255453 - 2⁴ = 13544255437 is a prime.

It is a super-2 number, since 2×13544255453² (a number of 21 digits) contains 22 as substring.

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 13544255453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13544251453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741476 + ... + 759522.

It is an arithmetic number, because the mean of its divisors is an integer number (905883264).

Almost surely, 2^13544255453 is an apocalyptic number.

It is an amenable number.

13544255453 is a deficient number, since it is larger than the sum of its proper divisors (949876771).

13544255453 is a wasteful number, since it uses less digits than its factorization.

13544255453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18532.

The product of its digits is 720000, while the sum is 41.

Adding to 13544255453 its reverse (35455244531), we get a palindrome (48999499984).

The spelling of 13544255453 in words is "thirteen billion, five hundred forty-four million, two hundred fifty-five thousand, four hundred fifty-three".