555505 has 8 divisors (see below), whose sum is σ = 670824. Its totient is φ = 441600.

The previous prime is 555491. The next prime is 555521. The reversal of 555505 is 505555.

It can be written as a sum of positive squares in 4 ways, for example, as 69696 + 485809 = 264^2 + 697^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 555505 - 2¹¹ = 553457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 555505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975 + ... + 1435.

It is an arithmetic number, because the mean of its divisors is an integer number (83853).

2⁵⁵⁵⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

555505 is a deficient number, since it is larger than the sum of its proper divisors (115319).

555505 is a wasteful number, since it uses less digits than its factorization.

555505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707.

The product of its (nonzero) digits is 3125, while the sum is 25.

The square root of 555505 is about 745.3220780307. The cubic root of 555505 is about 82.2045754543.

It can be divided in two parts, 55550 and 5, that added together give a palindrome (55555).

The spelling of 555505 in words is "five hundred fifty-five thousand, five hundred five".