557979047 has 2 divisors, whose sum is σ = 557979048. Its totient is φ = 557979046.

The previous prime is 557979041. The next prime is 557979089. The reversal of 557979047 is 740979755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 557979047 - 2⁴ = 557979031 is a prime.

It is a super-2 number, since 2×557979047² = 622681233782056418, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 557979047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557979041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278989523 + 278989524.

It is an arithmetic number, because the mean of its divisors is an integer number (278989524).

Almost surely, 2^557979047 is an apocalyptic number.

557979047 is a deficient number, since it is larger than the sum of its proper divisors (1).

557979047 is an equidigital number, since it uses as much as digits as its factorization.

557979047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2778300, while the sum is 53.

The square root of 557979047 is about 23621.5801122618. The cubic root of 557979047 is about 823.2643262366.

The spelling of 557979047 in words is "five hundred fifty-seven million, nine hundred seventy-nine thousand, forty-seven".