557944927 has 2 divisors, whose sum is σ = 557944928. Its totient is φ = 557944926.

The previous prime is 557944897. The next prime is 557944997. The reversal of 557944927 is 729449755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 557944927 - 2⁷ = 557944799 is a prime.

It is a super-2 number, since 2×557944927² = 622605083130070658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557944997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278972463 + 278972464.

It is an arithmetic number, because the mean of its divisors is an integer number (278972464).

Almost surely, 2^557944927 is an apocalyptic number.

557944927 is a deficient number, since it is larger than the sum of its proper divisors (1).

557944927 is an equidigital number, since it uses as much as digits as its factorization.

557944927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 52.

The square root of 557944927 is about 23620.8578802718. The cubic root of 557944927 is about 823.2475452293.

The spelling of 557944927 in words is "five hundred fifty-seven million, nine hundred forty-four thousand, nine hundred twenty-seven".