555426 has 24 divisors (see below), whose sum is σ = 1226160. Its totient is φ = 181656.

The previous prime is 555421. The next prime is 555439. The reversal of 555426 is 624555.

It is a self number, because there is not a number n which added to its sum of digits gives 555426.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 555426.

It is not an unprimeable number, because it can be changed into a prime (555421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 801 + ... + 1323.

It is an arithmetic number, because the mean of its divisors is an integer number (51090).

2⁵⁵⁵⁴²⁶ is an apocalyptic number.

555426 is an abundant number, since it is smaller than the sum of its proper divisors (670734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

555426 is a wasteful number, since it uses less digits than its factorization.

555426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 587 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 555426 is about 745.2690789238. The cubic root of 555426 is about 82.2006784180.

The spelling of 555426 in words is "five hundred fifty-five thousand, four hundred twenty-six".