557097773 has 2 divisors, whose sum is σ = 557097774. Its totient is φ = 557097772.

The previous prime is 557097731. The next prime is 557097817. The reversal of 557097773 is 377790755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 484132009 + 72965764 = 22003^2 + 8542^2 .

It is a cyclic number.

It is not a de Polignac number, because 557097773 - 2¹⁴ = 557081389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557097703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278548886 + 278548887.

It is an arithmetic number, because the mean of its divisors is an integer number (278548887).

Almost surely, 2^557097773 is an apocalyptic number.

It is an amenable number.

557097773 is a deficient number, since it is larger than the sum of its proper divisors (1).

557097773 is an equidigital number, since it uses as much as digits as its factorization.

557097773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620675, while the sum is 50.

The square root of 557097773 is about 23602.9187390034. The cubic root of 557097773 is about 822.8306756967.

The spelling of 557097773 in words is "five hundred fifty-seven million, ninety-seven thousand, seven hundred seventy-three".