557917933 has 2 divisors, whose sum is σ = 557917934. Its totient is φ = 557917932.

The previous prime is 557917891. The next prime is 557917961. The reversal of 557917933 is 339719755.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 428572804 + 129345129 = 20702^2 + 11373^2 .

It is a cyclic number.

It is not a de Polignac number, because 557917933 - 2¹³ = 557909741 is a prime.

It is a super-2 number, since 2×557917933² = 622544839925984978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557917963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278958966 + 278958967.

It is an arithmetic number, because the mean of its divisors is an integer number (278958967).

Almost surely, 2^557917933 is an apocalyptic number.

It is an amenable number.

557917933 is a deficient number, since it is larger than the sum of its proper divisors (1).

557917933 is an equidigital number, since it uses as much as digits as its factorization.

557917933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 893025, while the sum is 49.

The square root of 557917933 is about 23620.2864715905. The cubic root of 557917933 is about 823.2342684693.

The spelling of 557917933 in words is "five hundred fifty-seven million, nine hundred seventeen thousand, nine hundred thirty-three".