13227169550 has 48 divisors (see below), whose sum is σ = 28306000800. Its totient is φ = 4504575360.

The previous prime is 13227169513. The next prime is 13227169577. The reversal of 13227169550 is 5596172231.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13227169498 and 13227169507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74669 + ... + 178968.

It is an arithmetic number, because the mean of its divisors is an integer number (589708350).

Almost surely, 2^13227169550 is an apocalyptic number.

13227169550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13227169550 is an abundant number, since it is smaller than the sum of its proper divisors (15078831250).

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

13227169550 is a wasteful number, since it uses less digits than its factorization.

13227169550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253805 (or 253800 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 41.

The spelling of 13227169550 in words is "thirteen billion, two hundred twenty-seven million, one hundred sixty-nine thousand, five hundred fifty".