555540312 has 16 divisors (see below), whose sum is σ = 1388850840. Its totient is φ = 185180096.

The previous prime is 555540301. The next prime is 555540313. The reversal of 555540312 is 213045555.

It is a happy number.

555540312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 555540312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555540313) 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, 11573733 + ... + 11573780.

Almost surely, 2^555540312 is an apocalyptic number.

It is an amenable number.

555540312 is an abundant number, since it is smaller than the sum of its proper divisors (833310528).

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

555540312 is a wasteful number, since it uses less digits than its factorization.

555540312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23147522 (or 23147518 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 555540312 is about 23569.9026726883. The cubic root of 555540312 is about 822.0631726066.

Adding to 555540312 its reverse (213045555), we get a palindrome (768585867).

The spelling of 555540312 in words is "five hundred fifty-five million, five hundred forty thousand, three hundred twelve".