555340 has 12 divisors (see below), whose sum is σ = 1166256. Its totient is φ = 222128.

The previous prime is 555337. The next prime is 555349. The reversal of 555340 is 43555.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (555349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13864 + ... + 13903.

It is an arithmetic number, because the mean of its divisors is an integer number (97188).

2⁵⁵⁵³⁴⁰ is an apocalyptic number.

It is an amenable number.

555340 is an abundant number, since it is smaller than the sum of its proper divisors (610916).

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

555340 is a wasteful number, since it uses less digits than its factorization.

555340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27776 (or 27774 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 555340 is about 745.2113794086. The cubic root of 555340 is about 82.1964356547.

Adding to 555340 its reverse (43555), we get a palindrome (598895).

The spelling of 555340 in words is "five hundred fifty-five thousand, three hundred forty".