13213445553 has 48 divisors (see below), whose sum is σ = 23872058496. Its totient is φ = 6842085120.

The previous prime is 13213445527. The next prime is 13213445569. The reversal of 13213445553 is 35554431231.

13213445553 is a `hidden beast` number, since 1 + 32 + 1 + 34 + 45 + 553 = 666.

13213445553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13213445553 - 2¹⁴ = 13213429169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13213445503) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 186451 + ... + 247367.

It is an arithmetic number, because the mean of its divisors is an integer number (497334552).

Almost surely, 2^13213445553 is an apocalyptic number.

It is an amenable number.

13213445553 is a deficient number, since it is larger than the sum of its proper divisors (10658612943).

13213445553 is a wasteful number, since it uses less digits than its factorization.

13213445553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61254 (or 61251 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

Adding to 13213445553 its reverse (35554431231), we get a palindrome (48767876784).

The spelling of 13213445553 in words is "thirteen billion, two hundred thirteen million, four hundred forty-five thousand, five hundred fifty-three".