556391359 has 2 divisors, whose sum is σ = 556391360. Its totient is φ = 556391358.

The previous prime is 556391347. The next prime is 556391393. The reversal of 556391359 is 953193655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 556391359 - 2²¹ = 554294207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556391399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278195679 + 278195680.

It is an arithmetic number, because the mean of its divisors is an integer number (278195680).

Almost surely, 2^556391359 is an apocalyptic number.

556391359 is a deficient number, since it is larger than the sum of its proper divisors (1).

556391359 is an equidigital number, since it uses as much as digits as its factorization.

556391359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 546750, while the sum is 46.

The square root of 556391359 is about 23587.9494445787. The cubic root of 556391359 is about 822.4827385876.

The spelling of 556391359 in words is "five hundred fifty-six million, three hundred ninety-one thousand, three hundred fifty-nine".