555580 has 12 divisors (see below), whose sum is σ = 1166760. Its totient is φ = 222224.

The previous prime is 555557. The next prime is 555589. The reversal of 555580 is 85555.

555580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×555580³ = 514471196403336000, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555589) by changing a digit.

555580 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13870 + ... + 13909.

It is an arithmetic number, because the mean of its divisors is an integer number (97230).

2⁵⁵⁵⁵⁸⁰ is an apocalyptic number.

It is an amenable number.

555580 is an abundant number, since it is smaller than the sum of its proper divisors (611180).

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

555580 is a wasteful number, since it uses less digits than its factorization.

555580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27788 (or 27786 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 555580 is about 745.3723901514. The cubic root of 555580 is about 82.2082748303.

The spelling of 555580 in words is "five hundred fifty-five thousand, five hundred eighty".