555320412 has 18 divisors (see below), whose sum is σ = 1403726688. Its totient is φ = 185106792.

The previous prime is 555320411. The next prime is 555320413. The reversal of 555320412 is 214023555.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (555320411) and next prime (555320413).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555320411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7712748 + ... + 7712819.

It is an arithmetic number, because the mean of its divisors is an integer number (77984816).

Almost surely, 2^555320412 is an apocalyptic number.

It is an amenable number.

555320412 is an abundant number, since it is smaller than the sum of its proper divisors (848406276).

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

555320412 is a wasteful number, since it uses less digits than its factorization.

555320412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15425577 (or 15425572 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 555320412 is about 23565.2373635404. The cubic root of 555320412 is about 821.9546923009.

Adding to 555320412 its reverse (214023555), we get a palindrome (769343967).

The spelling of 555320412 in words is "five hundred fifty-five million, three hundred twenty thousand, four hundred twelve".