13532215550 has 24 divisors (see below), whose sum is σ = 28765624656. Its totient is φ = 4639616640.

The previous prime is 13532215547. The next prime is 13532215559. The reversal of 13532215550 is 5551223531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13532215559) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 19331387 + ... + 19332086.

It is an arithmetic number, because the mean of its divisors is an integer number (1198567694).

Almost surely, 2^13532215550 is an apocalyptic number.

13532215550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13532215550 is an abundant number, since it is smaller than the sum of its proper divisors (15233409106).

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

13532215550 is a wasteful number, since it uses less digits than its factorization.

13532215550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38663492 (or 38663487 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 13532215550 in words is "thirteen billion, five hundred thirty-two million, two hundred fifteen thousand, five hundred fifty".