557190189 has 12 divisors (see below), whose sum is σ = 807580956. Its totient is φ = 370190592.

The previous prime is 557190169. The next prime is 557190211. The reversal of 557190189 is 981091755.

557190189 is a `hidden beast` number, since 557 + 1 + 90 + 1 + 8 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 480924900 + 76265289 = 21930^2 + 8733^2 .

It is not a de Polignac number, because 557190189 - 2¹² = 557186093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557190149) 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, 103012 + ... + 108285.

It is an arithmetic number, because the mean of its divisors is an integer number (67298413).

Almost surely, 2^557190189 is an apocalyptic number.

It is an amenable number.

557190189 is a deficient number, since it is larger than the sum of its proper divisors (250390767).

557190189 is a wasteful number, since it uses less digits than its factorization.

557190189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211596 (or 211593 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 45.

The square root of 557190189 is about 23604.8763817987. The cubic root of 557190189 is about 822.8761725071.

The spelling of 557190189 in words is "five hundred fifty-seven million, one hundred ninety thousand, one hundred eighty-nine".