555254489 has 2 divisors, whose sum is σ = 555254490. Its totient is φ = 555254488.

The previous prime is 555254473. The next prime is 555254587. The reversal of 555254489 is 984452555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381225625 + 174028864 = 19525^2 + 13192^2 .

It is a cyclic number.

It is not a de Polignac number, because 555254489 - 2⁴ = 555254473 is a prime.

It is a super-2 number, since 2×555254489² = 616615095109302242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (555254429) 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 as a sum of consecutive naturals, namely, 277627244 + 277627245.

It is an arithmetic number, because the mean of its divisors is an integer number (277627245).

Almost surely, 2^555254489 is an apocalyptic number.

It is an amenable number.

555254489 is a deficient number, since it is larger than the sum of its proper divisors (1).

555254489 is an equidigital number, since it uses as much as digits as its factorization.

555254489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440000, while the sum is 47.

The square root of 555254489 is about 23563.8385879720. The cubic root of 555254489 is about 821.9221658157.

The spelling of 555254489 in words is "five hundred fifty-five million, two hundred fifty-four thousand, four hundred eighty-nine".