13553564 has 24 divisors (see below), whose sum is σ = 24355968. Its totient is φ = 6597360.

The previous prime is 13553549. The next prime is 13553569. The reversal of 13553564 is 46535531.

It is a self number, because there is not a number n which added to its sum of digits gives 13553564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13553569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27359 + ... + 27849.

It is an arithmetic number, because the mean of its divisors is an integer number (1014832).

Almost surely, 2^13553564 is an apocalyptic number.

It is an amenable number.

13553564 is a deficient number, since it is larger than the sum of its proper divisors (10802404).

13553564 is a wasteful number, since it uses less digits than its factorization.

13553564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665 (or 663 counting only the distinct ones).

The product of its digits is 27000, while the sum is 32.

The square root of 13553564 is about 3681.5165353425. The cubic root of 13553564 is about 238.4246590636.

The spelling of 13553564 in words is "thirteen million, five hundred fifty-three thousand, five hundred sixty-four".