13853553 has 8 divisors (see below), whose sum is σ = 21110208. Its totient is φ = 7916304.

The previous prime is 13853551. The next prime is 13853557. The reversal of 13853553 is 35535831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13853553 - 2¹ = 13853551 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13853551) 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 7 ways as a sum of consecutive naturals, for example, 329826 + ... + 329867.

It is an arithmetic number, because the mean of its divisors is an integer number (2638776).

Almost surely, 2^13853553 is an apocalyptic number.

It is an amenable number.

13853553 is a deficient number, since it is larger than the sum of its proper divisors (7256655).

13853553 is an equidigital number, since it uses as much as digits as its factorization.

13853553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659703.

The product of its digits is 27000, while the sum is 33.

The square root of 13853553 is about 3722.0361363103. The cubic root of 13853553 is about 240.1709025780.

The spelling of 13853553 in words is "thirteen million, eight hundred fifty-three thousand, five hundred fifty-three".