555530 has 16 divisors (see below), whose sum is σ = 1014984. Its totient is φ = 218880.

The previous prime is 555523. The next prime is 555557. The reversal of 555530 is 35555.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 271441 + 284089 = 521^2 + 533^2 .

It is a super-2 number, since 2×555530² = 617227161800, which contains 22 as substring.

It is an Ulam number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 555496 and 555505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350 + ... + 1110.

2⁵⁵⁵⁵³⁰ is an apocalyptic number.

555530 is a deficient number, since it is larger than the sum of its proper divisors (459454).

555530 is a wasteful number, since it uses less digits than its factorization.

555530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841.

The product of its (nonzero) digits is 1875, while the sum is 23.

The square root of 555530 is about 745.3388491150. The cubic root of 555530 is about 82.2058086166.

The spelling of 555530 in words is "five hundred fifty-five thousand, five hundred thirty".