557035891 has 2 divisors, whose sum is σ = 557035892. Its totient is φ = 557035890.

The previous prime is 557035879. The next prime is 557035949. The reversal of 557035891 is 198530755.

557035891 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 is a cyclic number.

It is not a de Polignac number, because 557035891 - 2¹⁹ = 556511603 is a prime.

It is not a weakly prime, because it can be changed into another prime (557035691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278517945 + 278517946.

It is an arithmetic number, because the mean of its divisors is an integer number (278517946).

Almost surely, 2^557035891 is an apocalyptic number.

557035891 is a deficient number, since it is larger than the sum of its proper divisors (1).

557035891 is an equidigital number, since it uses as much as digits as its factorization.

557035891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189000, while the sum is 43.

The square root of 557035891 is about 23601.6078054017. The cubic root of 557035891 is about 822.8002080985.

The spelling of 557035891 in words is "five hundred fifty-seven million, thirty-five thousand, eight hundred ninety-one".