55159 has 4 divisors (see below), whose sum is σ = 59416. Its totient is φ = 50904.
The previous prime is 55147. The next prime is 55163. The reversal of 55159 is 95155.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95155 = 5 ⋅19031.
It is a cyclic number.
It is not a de Polignac number, because 55159 - 25 = 55127 is a prime.
It is a Duffinian number.
55159 is a lucky number.
It is a nialpdrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (55109) 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, 2109 + ... + 2134.
It is an arithmetic number, because the mean of its divisors is an integer number (14854).
255159 is an apocalyptic number.
55159 is a deficient number, since it is larger than the sum of its proper divisors (4257).
55159 is a wasteful number, since it uses less digits than its factorization.
55159 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4256.
The product of its digits is 1125, while the sum is 25.
The square root of 55159 is about 234.8595324870. The cubic root of 55159 is about 38.0661359830.
The spelling of 55159 in words is "fifty-five thousand, one hundred fifty-nine".
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