557634983 has 2 divisors, whose sum is σ = 557634984. Its totient is φ = 557634982.

The previous prime is 557634947. The next prime is 557634991. The reversal of 557634983 is 389436755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 557634983 - 2¹⁶ = 557569447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557634283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278817491 + 278817492.

It is an arithmetic number, because the mean of its divisors is an integer number (278817492).

Almost surely, 2^557634983 is an apocalyptic number.

557634983 is a deficient number, since it is larger than the sum of its proper divisors (1).

557634983 is an equidigital number, since it uses as much as digits as its factorization.

557634983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 50.

The square root of 557634983 is about 23614.2961572010. The cubic root of 557634983 is about 823.0950762385.

The spelling of 557634983 in words is "five hundred fifty-seven million, six hundred thirty-four thousand, nine hundred eighty-three".