555630 has 16 divisors (see below), whose sum is σ = 1333584. Its totient is φ = 148160.

The previous prime is 555593. The next prime is 555637. The reversal of 555630 is 36555.

It is a self number, because there is not a number n which added to its sum of digits gives 555630.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 555630.

It is not an unprimeable number, because it can be changed into a prime (555637) by changing a digit.

555630 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9231 + ... + 9290.

It is an arithmetic number, because the mean of its divisors is an integer number (83349).

2⁵⁵⁵⁶³⁰ is an apocalyptic number.

555630 is an abundant number, since it is smaller than the sum of its proper divisors (777954).

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

555630 is a wasteful number, since it uses less digits than its factorization.

555630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18531.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 555630 is about 745.4059296786. The cubic root of 555630 is about 82.2107408961.

The spelling of 555630 in words is "five hundred fifty-five thousand, six hundred thirty".