21334055 has 8 divisors (see below), whose sum is σ = 26948400. Its totient is φ = 16168896.

The previous prime is 21334039. The next prime is 21334067. The reversal of 21334055 is 55043312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21334055 - 2⁴ = 21334039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21334055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112190 + ... + 112379.

It is an arithmetic number, because the mean of its divisors is an integer number (3368550).

Almost surely, 2^21334055 is an apocalyptic number.

21334055 is a deficient number, since it is larger than the sum of its proper divisors (5614345).

21334055 is a wasteful number, since it uses less digits than its factorization.

21334055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224593.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 21334055 is about 4618.8802755646. The cubic root of 21334055 is about 277.3476370532.

Adding to 21334055 its reverse (55043312), we get a palindrome (76377367).

The spelling of 21334055 in words is "twenty-one million, three hundred thirty-four thousand, fifty-five".