555030 has 48 divisors (see below), whose sum is σ = 1651104. Its totient is φ = 126720.

The previous prime is 555029. The next prime is 555041. The reversal of 555030 is 30555.

555030 = 371² + 372² + ... + 374².

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 554994 and 555012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190 + ... + 1070.

It is an arithmetic number, because the mean of its divisors is an integer number (34398).

2⁵⁵⁵⁰³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825552).

555030 is an abundant number, since it is smaller than the sum of its proper divisors (1096074).

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

555030 is a wasteful number, since it uses less digits than its factorization.

555030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 18.

The square root of 555030 is about 745.0033556971. The cubic root of 555030 is about 82.1811383366.

Adding to 555030 its reverse (30555), we get a palindrome (585585).

The spelling of 555030 in words is "five hundred fifty-five thousand, thirty".