13553545 has 16 divisors (see below), whose sum is σ = 16751232. Its totient is φ = 10523520.

The previous prime is 13553537. The next prime is 13553549. The reversal of 13553545 is 54535531.

It is not a de Polignac number, because 13553545 - 2³ = 13553537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13553549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25654 + ... + 26176.

It is an arithmetic number, because the mean of its divisors is an integer number (1046952).

Almost surely, 2^13553545 is an apocalyptic number.

It is an amenable number.

13553545 is a deficient number, since it is larger than the sum of its proper divisors (3197687).

13553545 is an equidigital number, since it uses as much as digits as its factorization.

13553545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672.

The product of its digits is 22500, while the sum is 31.

The square root of 13553545 is about 3681.5139548832. The cubic root of 13553545 is about 238.4245476521.

It can be divided in two parts, 1355 and 3545, that added together give a square (4900 = 70²).

The spelling of 13553545 in words is "thirteen million, five hundred fifty-three thousand, five hundred forty-five".