555968 has 56 divisors (see below), whose sum is σ = 1353312. Its totient is φ = 221184.

The previous prime is 555967. The next prime is 556007. The reversal of 555968 is 869555.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555967) 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, 7580 + ... + 7652.

2⁵⁵⁵⁹⁶⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676656).

555968 is an abundant number, since it is smaller than the sum of its proper divisors (797344).

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

555968 is a wasteful number, since it uses less digits than its factorization.

555968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 99 counting only the distinct ones).

The product of its digits is 54000, while the sum is 38.

The square root of 555968 is about 745.6326173123. The cubic root of 555968 is about 82.2274076215.

The spelling of 555968 in words is "five hundred fifty-five thousand, nine hundred sixty-eight".