555132217 has 2 divisors, whose sum is σ = 555132218. Its totient is φ = 555132216.

The previous prime is 555132211. The next prime is 555132271. The reversal of 555132217 is 712231555.

Together with next prime (555132271) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 489781161 + 65351056 = 22131^2 + 8084^2 .

It is a cyclic number.

It is not a de Polignac number, because 555132217 - 2¹⁵ = 555099449 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (555132211) 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, 277566108 + 277566109.

It is an arithmetic number, because the mean of its divisors is an integer number (277566109).

Almost surely, 2^555132217 is an apocalyptic number.

It is an amenable number.

555132217 is a deficient number, since it is larger than the sum of its proper divisors (1).

555132217 is an equidigital number, since it uses as much as digits as its factorization.

555132217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10500, while the sum is 31.

The square root of 555132217 is about 23561.2439612173. The cubic root of 555132217 is about 821.8618298516.

The spelling of 555132217 in words is "five hundred fifty-five million, one hundred thirty-two thousand, two hundred seventeen".