55017 has 6 divisors (see below), whose sum is σ = 79482. Its totient is φ = 36672.

The previous prime is 55009. The next prime is 55021. The reversal of 55017 is 71055.

It is a happy number.

55017 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in only one way, i.e., 47961 + 7056 = 219^2 + 84^2 .

It is not a de Polignac number, because 55017 - 2³ = 55009 is a prime.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 55017.

It is not an unprimeable number, because it can be changed into a prime (55057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3048 + ... + 3065.

It is an arithmetic number, because the mean of its divisors is an integer number (13247).

2⁵⁵⁰¹⁷ is an apocalyptic number.

It is an amenable number.

55017 is a deficient number, since it is larger than the sum of its proper divisors (24465).

55017 is a wasteful number, since it uses less digits than its factorization.

55017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6119 (or 6116 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 18.

The square root of 55017 is about 234.5570293127. The cubic root of 55017 is about 38.0334423974.

The spelling of 55017 in words is "fifty-five thousand, seventeen".