557489371 has 2 divisors, whose sum is σ = 557489372. Its totient is φ = 557489370.

The previous prime is 557489357. The next prime is 557489389. The reversal of 557489371 is 173984755.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 557489371 - 2²³ = 549100763 is a prime.

It is not a weakly prime, because it can be changed into another prime (557489071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278744685 + 278744686.

It is an arithmetic number, because the mean of its divisors is an integer number (278744686).

Almost surely, 2^557489371 is an apocalyptic number.

557489371 is a deficient number, since it is larger than the sum of its proper divisors (1).

557489371 is an equidigital number, since it uses as much as digits as its factorization.

557489371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 49.

The square root of 557489371 is about 23611.2128235718. The cubic root of 557489371 is about 823.0234266484.

The spelling of 557489371 in words is "five hundred fifty-seven million, four hundred eighty-nine thousand, three hundred seventy-one".