13250506550 has 48 divisors (see below), whose sum is σ = 24814840320. Its totient is φ = 5264007840.

The previous prime is 13250506547. The next prime is 13250506579. The reversal of 13250506550 is 5560505231.

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 5292599 + ... + 5295101.

It is an arithmetic number, because the mean of its divisors is an integer number (516975840).

Almost surely, 2^13250506550 is an apocalyptic number.

13250506550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13250506550 is a deficient number, since it is larger than the sum of its proper divisors (11564333770).

13250506550 is a wasteful number, since it uses less digits than its factorization.

13250506550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197 (or 3192 counting only the distinct ones).

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

The spelling of 13250506550 in words is "thirteen billion, two hundred fifty million, five hundred six thousand, five hundred fifty".