557316803 has 2 divisors, whose sum is σ = 557316804. Its totient is φ = 557316802.

The previous prime is 557316757. The next prime is 557316811. The reversal of 557316803 is 308613755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 557316803 - 2⁸ = 557316547 is a prime.

It is a super-2 number, since 2×557316803² = 621204037812281618, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (557316103) 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, 278658401 + 278658402.

It is an arithmetic number, because the mean of its divisors is an integer number (278658402).

Almost surely, 2^557316803 is an apocalyptic number.

557316803 is a deficient number, since it is larger than the sum of its proper divisors (1).

557316803 is an equidigital number, since it uses as much as digits as its factorization.

557316803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 557316803 is about 23607.5581752963. The cubic root of 557316803 is about 822.9384969790.

The spelling of 557316803 in words is "five hundred fifty-seven million, three hundred sixteen thousand, eight hundred three".