557390833 has 2 divisors, whose sum is σ = 557390834. Its totient is φ = 557390832.

The previous prime is 557390807. The next prime is 557390861. The reversal of 557390833 is 338093755.

557390833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 480793329 + 76597504 = 21927^2 + 8752^2 .

It is a cyclic number.

It is not a de Polignac number, because 557390833 - 2⁹ = 557390321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 557390833.

It is not a weakly prime, because it can be changed into another prime (557390803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278695416 + 278695417.

It is an arithmetic number, because the mean of its divisors is an integer number (278695417).

Almost surely, 2^557390833 is an apocalyptic number.

It is an amenable number.

557390833 is a deficient number, since it is larger than the sum of its proper divisors (1).

557390833 is an equidigital number, since it uses as much as digits as its factorization.

557390833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200, while the sum is 43.

The square root of 557390833 is about 23609.1260532871. The cubic root of 557390833 is about 822.9749331313.

The spelling of 557390833 in words is "five hundred fifty-seven million, three hundred ninety thousand, eight hundred thirty-three".