555730 has 32 divisors (see below), whose sum is σ = 1213056. Its totient is φ = 178944.

The previous prime is 555707. The next prime is 555739. The reversal of 555730 is 37555.

It is a happy number.

555730 is nontrivially palindromic in base 4.

555730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 555695 and 555704.

It is not an unprimeable number, because it can be changed into a prime (555739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957 + ... + 1423.

It is an arithmetic number, because the mean of its divisors is an integer number (37908).

2⁵⁵⁵⁷³⁰ is an apocalyptic number.

555730 is an abundant number, since it is smaller than the sum of its proper divisors (657326).

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

555730 is a wasteful number, since it uses less digits than its factorization.

555730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498.

The product of its (nonzero) digits is 2625, while the sum is 25.

The square root of 555730 is about 745.4730042061. The cubic root of 555730 is about 82.2156725838.

The spelling of 555730 in words is "five hundred fifty-five thousand, seven hundred thirty".