557246889 has 12 divisors (see below), whose sum is σ = 813957300. Its totient is φ = 367323264.

The previous prime is 557246881. The next prime is 557246897. The reversal of 557246889 is 988642755.

557246889 is a `hidden beast` number, since 5 + 572 + 4 + 68 + 8 + 9 = 666.

557246889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (557246881) and next prime (557246897).

It can be written as a sum of positive squares in 2 ways, for example, as 82355625 + 474891264 = 9075^2 + 21792^2 .

It is not a de Polignac number, because 557246889 - 2³ = 557246881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (557246881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 347044 + ... + 348645.

It is an arithmetic number, because the mean of its divisors is an integer number (67829775).

Almost surely, 2^557246889 is an apocalyptic number.

It is an amenable number.

557246889 is a deficient number, since it is larger than the sum of its proper divisors (256710411).

557246889 is a wasteful number, since it uses less digits than its factorization.

557246889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695784 (or 695781 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 557246889 is about 23606.0773742695. The cubic root of 557246889 is about 822.9040836808.

The spelling of 557246889 in words is "five hundred fifty-seven million, two hundred forty-six thousand, eight hundred eighty-nine".