14555550 has 48 divisors (see below), whose sum is σ = 37676160. Its totient is φ = 3711840.

The previous prime is 14555521. The next prime is 14555551. The reversal of 14555550 is 5555541.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14555551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1341 + ... + 5559.

It is an arithmetic number, because the mean of its divisors is an integer number (784920).

Almost surely, 2^14555550 is an apocalyptic number.

14555550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14555550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18838080).

14555550 is an abundant number, since it is smaller than the sum of its proper divisors (23120610).

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

14555550 is a wasteful number, since it uses less digits than its factorization.

14555550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4257 (or 4252 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 14555550 is about 3815.1736526664. The cubic root of 14555550 is about 244.1609504241.

Subtracting from 14555550 its reverse (5555541), we obtain a palindrome (9000009).

The spelling of 14555550 in words is "fourteen million, five hundred fifty-five thousand, five hundred fifty".