566900057 has 2 divisors, whose sum is σ = 566900058. Its totient is φ = 566900056.

The previous prime is 566900053. The next prime is 566900111. The reversal of 566900057 is 750009665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 416813056 + 150087001 = 20416^2 + 12251^2 .

It is a cyclic number.

It is not a de Polignac number, because 566900057 - 2² = 566900053 is a prime.

It is not a weakly prime, because it can be changed into another prime (566900053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283450028 + 283450029.

It is an arithmetic number, because the mean of its divisors is an integer number (283450029).

Almost surely, 2^566900057 is an apocalyptic number.

It is an amenable number.

566900057 is a deficient number, since it is larger than the sum of its proper divisors (1).

566900057 is an equidigital number, since it uses as much as digits as its factorization.

566900057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 566900057 is about 23809.6631013545. The cubic root of 566900057 is about 827.6286195172.

The spelling of 566900057 in words is "five hundred sixty-six million, nine hundred thousand, fifty-seven".