55259 has 2 divisors, whose sum is σ = 55260. Its totient is φ = 55258.

The previous prime is 55249. The next prime is 55291. The reversal of 55259 is 95255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55259 - 2⁴ = 55243 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (55219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27629 + 27630.

It is an arithmetic number, because the mean of its divisors is an integer number (27630).

2⁵⁵²⁵⁹ is an apocalyptic number.

55259 is a deficient number, since it is larger than the sum of its proper divisors (1).

55259 is an equidigital number, since it uses as much as digits as its factorization.

55259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2250, while the sum is 26.

The square root of 55259 is about 235.0723292946. The cubic root of 55259 is about 38.0891259787.

The spelling of 55259 in words is "fifty-five thousand, two hundred fifty-nine".