14685553 has 2 divisors, whose sum is σ = 14685554. Its totient is φ = 14685552.

The previous prime is 14685551. The next prime is 14685581. The reversal of 14685553 is 35558641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11751184 + 2934369 = 3428^2 + 1713^2 .

It is an emirp because it is prime and its reverse (35558641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14685553 - 2¹ = 14685551 is a prime.

Together with 14685551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14685551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7342776 + 7342777.

It is an arithmetic number, because the mean of its divisors is an integer number (7342777).

Almost surely, 2^14685553 is an apocalyptic number.

It is an amenable number.

14685553 is a deficient number, since it is larger than the sum of its proper divisors (1).

14685553 is an equidigital number, since it uses as much as digits as its factorization.

14685553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 37.

The square root of 14685553 is about 3832.1734042186. The cubic root of 14685553 is about 244.8857054005.

It can be divided in two parts, 1468 and 5553, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 14685553 in words is "fourteen million, six hundred eighty-five thousand, five hundred fifty-three".