555201 has 8 divisors (see below), whose sum is σ = 822560. Its totient is φ = 370116.

The previous prime is 555167. The next prime is 555209. The reversal of 555201 is 102555.

It is not a de Polignac number, because 555201 - 2⁷ = 555073 is a prime.

It is a Duffinian number.

555201 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 555201.

It is not an unprimeable number, because it can be changed into a prime (555209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10255 + ... + 10308.

It is an arithmetic number, because the mean of its divisors is an integer number (102820).

2⁵⁵⁵²⁰¹ is an apocalyptic number.

It is an amenable number.

555201 is a deficient number, since it is larger than the sum of its proper divisors (267359).

555201 is a wasteful number, since it uses less digits than its factorization.

555201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20572 (or 20566 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 555201 is about 745.1181114427. The cubic root of 555201 is about 82.1895772389.

Adding to 555201 its reverse (102555), we get a palindrome (657756).

The spelling of 555201 in words is "five hundred fifty-five thousand, two hundred one".