555612338945 has 16 divisors (see below), whose sum is σ = 695772910080. Its totient is φ = 425133893184.

The previous prime is 555612338921. The next prime is 555612338947. The reversal of 555612338945 is 549833216555.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 555612338945 - 2¹⁸ = 555612076801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (555612338947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1518467 + ... + 1848503.

It is an arithmetic number, because the mean of its divisors is an integer number (43485806880).

Almost surely, 2^555612338945 is an apocalyptic number.

It is an amenable number.

555612338945 is a deficient number, since it is larger than the sum of its proper divisors (140160571135).

555612338945 is a wasteful number, since it uses less digits than its factorization.

555612338945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344704.

The product of its digits is 19440000, while the sum is 56.

The spelling of 555612338945 in words is "five hundred fifty-five billion, six hundred twelve million, three hundred thirty-eight thousand, nine hundred forty-five".