557668193 has 2 divisors, whose sum is σ = 557668194. Its totient is φ = 557668192.

The previous prime is 557668171. The next prime is 557668201. The reversal of 557668193 is 391866755.

It is a happy number.

557668193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395691664 + 161976529 = 19892^2 + 12727^2 .

It is a cyclic number.

It is not a de Polignac number, because 557668193 - 2¹⁰ = 557667169 is a prime.

It is not a weakly prime, because it can be changed into another prime (557668103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278834096 + 278834097.

It is an arithmetic number, because the mean of its divisors is an integer number (278834097).

Almost surely, 2^557668193 is an apocalyptic number.

It is an amenable number.

557668193 is a deficient number, since it is larger than the sum of its proper divisors (1).

557668193 is an equidigital number, since it uses as much as digits as its factorization.

557668193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 50.

The square root of 557668193 is about 23614.9993224645. Note that the first 3 decimals coincide. The cubic root of 557668193 is about 823.1114157471. Note that the first 3 decimals are identical.

The spelling of 557668193 in words is "five hundred fifty-seven million, six hundred sixty-eight thousand, one hundred ninety-three".