557542357 has 2 divisors, whose sum is σ = 557542358. Its totient is φ = 557542356.

The previous prime is 557542301. The next prime is 557542367. The reversal of 557542357 is 753245755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 551968036 + 5574321 = 23494^2 + 2361^2 .

It is a cyclic number.

It is not a de Polignac number, because 557542357 - 2⁷ = 557542229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557542367) 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, 278771178 + 278771179.

It is an arithmetic number, because the mean of its divisors is an integer number (278771179).

Almost surely, 2^557542357 is an apocalyptic number.

It is an amenable number.

557542357 is a deficient number, since it is larger than the sum of its proper divisors (1).

557542357 is an equidigital number, since it uses as much as digits as its factorization.

557542357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 735000, while the sum is 43.

The square root of 557542357 is about 23612.3348485490. The cubic root of 557542357 is about 823.0495002921.

The spelling of 557542357 in words is "five hundred fifty-seven million, five hundred forty-two thousand, three hundred fifty-seven".