14550509550 has 48 divisors (see below), whose sum is σ = 37654197120. Its totient is φ = 3711433440.

The previous prime is 14550509521. The next prime is 14550509609. The reversal of 14550509550 is 5590505541.

It is a junction number, because it is equal to n+sod(n) for n = 14550509499 and 14550509508.

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, 2105320 + ... + 2112219.

It is an arithmetic number, because the mean of its divisors is an integer number (784462440).

Almost surely, 2^14550509550 is an apocalyptic number.

14550509550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14550509550 is an abundant number, since it is smaller than the sum of its proper divisors (23103687570).

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

14550509550 is a wasteful number, since it uses less digits than its factorization.

14550509550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217577 (or 4217572 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 14550509550 in words is "fourteen billion, five hundred fifty million, five hundred nine thousand, five hundred fifty".