15055 has 4 divisors (see below), whose sum is σ = 18072. Its totient is φ = 12040.
The previous prime is 15053. The next prime is 15061. The reversal of 15055 is 55051.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 15055 - 21 = 15053 is a prime.
It is an Ulam number.
It is a Duffinian number.
It is a plaindrome in base 9 and base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15053) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501 + ... + 1510.
It is an arithmetic number, because the mean of its divisors is an integer number (4518).
215055 is an apocalyptic number.
15055 is a deficient number, since it is larger than the sum of its proper divisors (3017).
15055 is an equidigital number, since it uses as much as digits as its factorization.
15055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3016.
The product of its (nonzero) digits is 125, while the sum is 16.
The square root of 15055 is about 122.6988182502. The cubic root of 15055 is about 24.6922265692.
The spelling of 15055 in words is "fifteen thousand, fifty-five".
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