14021550 has 36 divisors (see below), whose sum is σ = 37672440. Its totient is φ = 3738960.

The previous prime is 14021537. The next prime is 14021573. The reversal of 14021550 is 5512041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15130 + ... + 16029.

Almost surely, 2^14021550 is an apocalyptic number.

14021550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14021550 is an abundant number, since it is smaller than the sum of its proper divisors (23650890).

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

14021550 is a wasteful number, since it uses less digits than its factorization.

14021550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31177 (or 31169 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 14021550 is about 3744.5360193220. The cubic root of 14021550 is about 241.1378262726.

Adding to 14021550 its reverse (5512041), we get a palindrome (19533591).

The spelling of 14021550 in words is "fourteen million, twenty-one thousand, five hundred fifty".