55201 has 2 divisors, whose sum is σ = 55202.
Its totient is φ = 55200.
The previous prime is 55171. The next prime is 55207. The reversal of 55201 is 10255.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 32400 + 22801 = 180^2 + 151^2
It is a cyclic number.
It is not a de Polignac number, because 55201 - 27 = 55073 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (55207) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27600 + 27601.
It is an arithmetic number, because the mean of its divisors is an integer number (27601).
255201 is an apocalyptic number.
It is an amenable number.
55201 is a deficient number, since it is larger than the sum of its proper divisors (1).
55201 is an equidigital number, since it uses as much as digits as its factorization.
55201 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 50, while the sum is 13.
The square root of 55201 is about 234.9489306211.
The cubic root of 55201 is about 38.0757951628.
Adding to 55201 its reverse (10255), we get a palindrome (65456).
It can be divided in two parts, 55 and 201, that added together give a 8-th power (256 = 28).
The spelling of 55201 in words is "fifty-five thousand, two hundred one".