13555853 has 4 divisors (see below), whose sum is σ = 13662720. Its totient is φ = 13448988.

The previous prime is 13555831. The next prime is 13555859. The reversal of 13555853 is 35855531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35855531 = 659 ⋅54409.

It is a cyclic number.

It is not a de Polignac number, because 13555853 - 2¹⁰ = 13554829 is a prime.

It is a super-2 number, since 2×13555853² = 367522301115218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13555859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53243 + ... + 53496.

It is an arithmetic number, because the mean of its divisors is an integer number (3415680).

Almost surely, 2^13555853 is an apocalyptic number.

It is an amenable number.

13555853 is a deficient number, since it is larger than the sum of its proper divisors (106867).

13555853 is a wasteful number, since it uses less digits than its factorization.

13555853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106866.

The product of its digits is 45000, while the sum is 35.

The square root of 13555853 is about 3681.8273995395. The cubic root of 13555853 is about 238.4380804615.

The spelling of 13555853 in words is "thirteen million, five hundred fifty-five thousand, eight hundred fifty-three".