13530550520 has 16 divisors (see below), whose sum is σ = 30443738760. Its totient is φ = 5412220192.

The previous prime is 13530550513. The next prime is 13530550531. The reversal of 13530550520 is 2505503531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169131842 + ... + 169131921.

Almost surely, 2^13530550520 is an apocalyptic number.

13530550520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13530550520 is an abundant number, since it is smaller than the sum of its proper divisors (16913188240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13530550520 is a wasteful number, since it uses less digits than its factorization.

13530550520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338263774 (or 338263770 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 29.

The spelling of 13530550520 in words is "thirteen billion, five hundred thirty million, five hundred fifty thousand, five hundred twenty".