555600 has 60 divisors (see below), whose sum is σ = 1783616. Its totient is φ = 147840.

The previous prime is 555593. The next prime is 555637. The reversal of 555600 is 6555.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 969 + ... + 1431.

2⁵⁵⁵⁶⁰⁰ is an apocalyptic number.

555600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (891808).

555600 is an abundant number, since it is smaller than the sum of its proper divisors (1228016).

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

555600 is a wasteful number, since it uses less digits than its factorization.

555600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 555600 is about 745.3858061434. The cubic root of 555600 is about 82.2092612744.

The spelling of 555600 in words is "five hundred fifty-five thousand, six hundred".