557564753 has 2 divisors, whose sum is σ = 557564754. Its totient is φ = 557564752.

The previous prime is 557564677. The next prime is 557564779. The reversal of 557564753 is 357465755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 352988944 + 204575809 = 18788^2 + 14303^2 .

It is a cyclic number.

It is not a de Polignac number, because 557564753 - 2²² = 553370449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 557564698 and 557564707.

It is not a weakly prime, because it can be changed into another prime (557563753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278782376 + 278782377.

It is an arithmetic number, because the mean of its divisors is an integer number (278782377).

Almost surely, 2^557564753 is an apocalyptic number.

It is an amenable number.

557564753 is a deficient number, since it is larger than the sum of its proper divisors (1).

557564753 is an equidigital number, since it uses as much as digits as its factorization.

557564753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2205000, while the sum is 47.

The square root of 557564753 is about 23612.8090874423. The cubic root of 557564753 is about 823.0605205429.

The spelling of 557564753 in words is "five hundred fifty-seven million, five hundred sixty-four thousand, seven hundred fifty-three".