555923 has 8 divisors (see below), whose sum is σ = 583680. Its totient is φ = 528840.

The previous prime is 555871. The next prime is 555931. The reversal of 555923 is 329555.

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

It is a cyclic number.

It is not a de Polignac number, because 555923 - 2¹⁰ = 554899 is a prime.

It is a d-powerful number, because it can be written as 5² + 5⁴ + 9⁶ + 5⁵ + 2¹⁰ + 3⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555953) by changing a digit.

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, 2336 + ... + 2562.

It is an arithmetic number, because the mean of its divisors is an integer number (72960).

2⁵⁵⁵⁹²³ is an apocalyptic number.

555923 is a deficient number, since it is larger than the sum of its proper divisors (27757).

555923 is a wasteful number, since it uses less digits than its factorization.

555923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337.

The product of its digits is 6750, while the sum is 29.

The square root of 555923 is about 745.6024409831. The cubic root of 555923 is about 82.2251890686.

The spelling of 555923 in words is "five hundred fifty-five thousand, nine hundred twenty-three".