13555085 has 4 divisors (see below), whose sum is σ = 16266108. Its totient is φ = 10844064.

The previous prime is 13555067. The next prime is 13555097. The reversal of 13555085 is 58055531.

13555085 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58055531 = 137 ⋅423763.

It can be written as a sum of positive squares in 2 ways, for example, as 10220809 + 3334276 = 3197^2 + 1826^2 .

It is a cyclic number.

It is not a de Polignac number, because 13555085 - 2⁶ = 13555021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355504 + ... + 1355513.

It is an arithmetic number, because the mean of its divisors is an integer number (4066527).

Almost surely, 2^13555085 is an apocalyptic number.

It is an amenable number.

13555085 is a deficient number, since it is larger than the sum of its proper divisors (2711023).

13555085 is an equidigital number, since it uses as much as digits as its factorization.

13555085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711022.

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 13555085 is about 3681.7231020271. The cubic root of 13555085 is about 238.4335775135.

The spelling of 13555085 in words is "thirteen million, five hundred fifty-five thousand, eighty-five".