13540320055 has 16 divisors (see below), whose sum is σ = 17210232000. Its totient is φ = 10191473152.

The previous prime is 13540320007. The next prime is 13540320083. The reversal of 13540320055 is 55002304531.

13540320055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13540320055 - 2⁷ = 13540319927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228357 + ... + 281473.

It is an arithmetic number, because the mean of its divisors is an integer number (1075639500).

Almost surely, 2^13540320055 is an apocalyptic number.

13540320055 is a deficient number, since it is larger than the sum of its proper divisors (3669911945).

13540320055 is a wasteful number, since it uses less digits than its factorization.

13540320055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56138.

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 13540320055 its reverse (55002304531), we get a palindrome (68542624586).

The spelling of 13540320055 in words is "thirteen billion, five hundred forty million, three hundred twenty thousand, fifty-five".