13650605550 has 72 divisors (see below), whose sum is σ = 37191258000. Its totient is φ = 3588883200.

The previous prime is 13650605539. The next prime is 13650605561. The reversal of 13650605550 is 5550605631.

It is an interprime number because it is at equal distance from previous prime (13650605539) and next prime (13650605561).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 181675 + ... + 245574.

It is an arithmetic number, because the mean of its divisors is an integer number (516545250).

Almost surely, 2^13650605550 is an apocalyptic number.

13650605550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13650605550 is an abundant number, since it is smaller than the sum of its proper divisors (23540652450).

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

13650605550 is a wasteful number, since it uses less digits than its factorization.

13650605550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427338 (or 427330 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The spelling of 13650605550 in words is "thirteen billion, six hundred fifty million, six hundred five thousand, five hundred fifty".