13653376056 has 96 divisors (see below), whose sum is σ = 39224586960. Its totient is φ = 4275588096.

The previous prime is 13653376043. The next prime is 13653376063. The reversal of 13653376056 is 65067335631.

13653376056 is a `hidden beast` number, since 1 + 3 + 6 + 5 + 3 + 37 + 605 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 679206 + ... + 699018.

Almost surely, 2^13653376056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13653376056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19612293480).

13653376056 is an abundant number, since it is smaller than the sum of its proper divisors (25571210904).

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

13653376056 is a wasteful number, since it uses less digits than its factorization.

13653376056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20405 (or 20398 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 45.

The spelling of 13653376056 in words is "thirteen billion, six hundred fifty-three million, three hundred seventy-six thousand, fifty-six".