555577667 has 2 divisors, whose sum is σ = 555577668. Its totient is φ = 555577666.

The previous prime is 555577661. The next prime is 555577703. The reversal of 555577667 is 766775555.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555577667 - 2¹⁶ = 555512131 is a prime.

It is not a weakly prime, because it can be changed into another prime (555577661) 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, 277788833 + 277788834.

It is an arithmetic number, because the mean of its divisors is an integer number (277788834).

Almost surely, 2^555577667 is an apocalyptic number.

555577667 is a deficient number, since it is larger than the sum of its proper divisors (1).

555577667 is an equidigital number, since it uses as much as digits as its factorization.

555577667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7717500, while the sum is 53.

The square root of 555577667 is about 23570.6950894538. The cubic root of 555577667 is about 822.0815976011.

The spelling of 555577667 in words is "five hundred fifty-five million, five hundred seventy-seven thousand, six hundred sixty-seven".