557053747 has 2 divisors, whose sum is σ = 557053748. Its totient is φ = 557053746.

The previous prime is 557053733. The next prime is 557053781. The reversal of 557053747 is 747350755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 557053747 - 2⁷ = 557053619 is a prime.

It is not a weakly prime, because it can be changed into another prime (557053247) 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, 278526873 + 278526874.

It is an arithmetic number, because the mean of its divisors is an integer number (278526874).

Almost surely, 2^557053747 is an apocalyptic number.

557053747 is a deficient number, since it is larger than the sum of its proper divisors (1).

557053747 is an equidigital number, since it uses as much as digits as its factorization.

557053747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 514500, while the sum is 43.

The square root of 557053747 is about 23601.9860816839. The cubic root of 557053747 is about 822.8089997304.

The spelling of 557053747 in words is "five hundred fifty-seven million, fifty-three thousand, seven hundred forty-seven".