13551552 has 84 divisors (see below), whose sum is σ = 44405296. Its totient is φ = 3870720.

The previous prime is 13551529. The next prime is 13551563. The reversal of 13551552 is 25515531.

13551552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (84).

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, 2352 + ... + 5712.

Almost surely, 2^13551552 is an apocalyptic number.

13551552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13551552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22202648).

13551552 is an abundant number, since it is smaller than the sum of its proper divisors (30853744).

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

13551552 is a wasteful number, since it uses less digits than its factorization.

13551552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386 (or 3373 counting only the distinct ones).

The product of its digits is 3750, while the sum is 27.

The square root of 13551552 is about 3681.2432682451. The cubic root of 13551552 is about 238.4128605887.

It can be divided in two parts, 1 and 3551552, that added together give a palindrome (3551553).

The spelling of 13551552 in words is "thirteen million, five hundred fifty-one thousand, five hundred fifty-two".