556312 has 8 divisors (see below), whose sum is σ = 1043100. Its totient is φ = 278152.

The previous prime is 556289. The next prime is 556313. The reversal of 556312 is 213655.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556313) by changing a digit.

556312 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34762 + ... + 34777.

2⁵⁵⁶³¹² is an apocalyptic number.

It is an amenable number.

556312 is a deficient number, since it is larger than the sum of its proper divisors (486788).

556312 is a wasteful number, since it uses less digits than its factorization.

556312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69545 (or 69541 counting only the distinct ones).

The product of its digits is 900, while the sum is 22.

The square root of 556312 is about 745.8632582451. The cubic root of 556312 is about 82.2443632714.

Adding to 556312 its reverse (213655), we get a palindrome (769967).

It can be divided in two parts, 556 and 312, that added together give a palindrome (868).

The spelling of 556312 in words is "five hundred fifty-six thousand, three hundred twelve".