557572957 has 2 divisors, whose sum is σ = 557572958. Its totient is φ = 557572956.

The previous prime is 557572933. The next prime is 557572979. The reversal of 557572957 is 759275755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 557479321 + 93636 = 23611^2 + 306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557572957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557572907) 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, 278786478 + 278786479.

It is an arithmetic number, because the mean of its divisors is an integer number (278786479).

Almost surely, 2^557572957 is an apocalyptic number.

It is an amenable number.

557572957 is a deficient number, since it is larger than the sum of its proper divisors (1).

557572957 is an equidigital number, since it uses as much as digits as its factorization.

557572957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3858750, while the sum is 52.

The square root of 557572957 is about 23612.9828060751. The cubic root of 557572957 is about 823.0645573568.

The spelling of 557572957 in words is "five hundred fifty-seven million, five hundred seventy-two thousand, nine hundred fifty-seven".