555406815233 has 2 divisors, whose sum is σ = 555406815234. Its totient is φ = 555406815232.

The previous prime is 555406815191. The next prime is 555406815241. The reversal of 555406815233 is 332518604555.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291938137969 + 263468677264 = 540313^2 + 513292^2 .

It is a cyclic number.

It is not a de Polignac number, because 555406815233 - 2⁶ = 555406815169 is a prime.

It is not a weakly prime, because it can be changed into another prime (555406815283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277703407616 + 277703407617.

It is an arithmetic number, because the mean of its divisors is an integer number (277703407617).

Almost surely, 2^555406815233 is an apocalyptic number.

It is an amenable number.

555406815233 is a deficient number, since it is larger than the sum of its proper divisors (1).

555406815233 is an equidigital number, since it uses as much as digits as its factorization.

555406815233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 555406815233 in words is "five hundred fifty-five billion, four hundred six million, eight hundred fifteen thousand, two hundred thirty-three".