13553531232 has 48 divisors (see below), whose sum is σ = 35598689280. Its totient is φ = 4515219072.

The previous prime is 13553531227. The next prime is 13553531267. The reversal of 13553531232 is 23213535531.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 13553531193 and 13553531202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128733 + ... + 208995.

It is an arithmetic number, because the mean of its divisors is an integer number (741639360).

Almost surely, 2^13553531232 is an apocalyptic number.

13553531232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13553531232 is an abundant number, since it is smaller than the sum of its proper divisors (22045158048).

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

13553531232 is a wasteful number, since it uses less digits than its factorization.

13553531232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82035 (or 82027 counting only the distinct ones).

The product of its digits is 40500, while the sum is 33.

The spelling of 13553531232 in words is "thirteen billion, five hundred fifty-three million, five hundred thirty-one thousand, two hundred thirty-two".