19055 has 8 divisors (see below), whose sum is σ = 23712. Its totient is φ = 14688.
The previous prime is 19051. The next prime is 19069. The reversal of 19055 is 55091.
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 19055 - 22 = 19051 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is a plaindrome in base 13.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19051) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134 + ... + 236.
It is an arithmetic number, because the mean of its divisors is an integer number (2964).
219055 is an apocalyptic number.
19055 is a deficient number, since it is larger than the sum of its proper divisors (4657).
19055 is a wasteful number, since it uses less digits than its factorization.
19055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 145.
The product of its (nonzero) digits is 225, while the sum is 20.
The square root of 19055 is about 138.0398493190. The cubic root of 19055 is about 26.7097394180.
The spelling of 19055 in words is "nineteen thousand, fifty-five".
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