553453216326 has 24 divisors (see below), whose sum is σ = 1204166003040. Its totient is φ = 183712502736.

The previous prime is 553453216313. The next prime is 553453216373. The reversal of 553453216326 is 623612354355.

553453216326 is a `hidden beast` number, since 5 + 5 + 3 + 4 + 5 + 3 + 2 + 1 + 632 + 6 = 666.

553453216326 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64320805 + ... + 64329408.

It is an arithmetic number, because the mean of its divisors is an integer number (50173583460).

Almost surely, 2^553453216326 is an apocalyptic number.

553453216326 is an abundant number, since it is smaller than the sum of its proper divisors (650712786714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

553453216326 is a wasteful number, since it uses less digits than its factorization.

553453216326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128650460 (or 128650457 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 45.

The spelling of 553453216326 in words is "five hundred fifty-three billion, four hundred fifty-three million, two hundred sixteen thousand, three hundred twenty-six".