555680 has 48 divisors (see below), whose sum is σ = 1378944. Its totient is φ = 211200.

The previous prime is 555677. The next prime is 555683. The reversal of 555680 is 86555.

It is an interprime number because it is at equal distance from previous prime (555677) and next prime (555683).

It is not an unprimeable number, because it can be changed into a prime (555683) 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, 3605 + ... + 3755.

It is an arithmetic number, because the mean of its divisors is an integer number (28728).

2⁵⁵⁵⁶⁸⁰ 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 555680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689472).

555680 is an abundant number, since it is smaller than the sum of its proper divisors (823264).

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

555680 is a wasteful number, since it uses less digits than its factorization.

555680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 555680 is about 745.4394676967. The cubic root of 555680 is about 82.2132068139.

The spelling of 555680 in words is "five hundred fifty-five thousand, six hundred eighty".