14550005521 has 4 divisors (see below), whose sum is σ = 14560034544. Its totient is φ = 14539976500.

The previous prime is 14550005489. The next prime is 14550005531. The reversal of 14550005521 is 12550005541.

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.

It is a cyclic number.

It is not a de Polignac number, because 14550005521 - 2⁵ = 14550005489 is a prime.

It is a super-2 number, since 2×14550005521² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14550005521.

It is not an unprimeable number, because it can be changed into a prime (14550005531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5012335 + ... + 5015236.

It is an arithmetic number, because the mean of its divisors is an integer number (3640008636).

Almost surely, 2^14550005521 is an apocalyptic number.

It is an amenable number.

14550005521 is a deficient number, since it is larger than the sum of its proper divisors (10029023).

14550005521 is a wasteful number, since it uses less digits than its factorization.

14550005521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10029022.

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 14550005521 in words is "fourteen billion, five hundred fifty million, five thousand, five hundred twenty-one".