557359643 has 2 divisors, whose sum is σ = 557359644. Its totient is φ = 557359642.

The previous prime is 557359567. The next prime is 557359657. The reversal of 557359643 is 346953755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 557359643 - 2²² = 553165339 is a prime.

It is not a weakly prime, because it can be changed into another prime (557359343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278679821 + 278679822.

It is an arithmetic number, because the mean of its divisors is an integer number (278679822).

Almost surely, 2^557359643 is an apocalyptic number.

557359643 is a deficient number, since it is larger than the sum of its proper divisors (1).

557359643 is an equidigital number, since it uses as much as digits as its factorization.

557359643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1701000, while the sum is 47.

The square root of 557359643 is about 23608.4654943942. The cubic root of 557359643 is about 822.9595824022.

The spelling of 557359643 in words is "five hundred fifty-seven million, three hundred fifty-nine thousand, six hundred forty-three".