555542479 has 2 divisors, whose sum is σ = 555542480. Its totient is φ = 555542478.

The previous prime is 555542447. The next prime is 555542503. The reversal of 555542479 is 974245555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 555542479 - 2⁵ = 555542447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555542279) 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 as a sum of consecutive naturals, namely, 277771239 + 277771240.

It is an arithmetic number, because the mean of its divisors is an integer number (277771240).

Almost surely, 2^555542479 is an apocalyptic number.

555542479 is a deficient number, since it is larger than the sum of its proper divisors (1).

555542479 is an equidigital number, since it uses as much as digits as its factorization.

555542479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260000, while the sum is 46.

The square root of 555542479 is about 23569.9486422860. The cubic root of 555542479 is about 822.0642414810.

The spelling of 555542479 in words is "five hundred fifty-five million, five hundred forty-two thousand, four hundred seventy-nine".