566556100057 has 4 divisors (see below), whose sum is σ = 566603991220. Its totient is φ = 566508208896.

The previous prime is 566556100043. The next prime is 566556100063. The reversal of 566556100057 is 750001655665.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 460621473481 + 105934626576 = 678691^2 + 325476^2 .

It is a cyclic number.

It is not a de Polignac number, because 566556100057 - 2⁷ = 566556099929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566556100007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23927832 + ... + 23951497.

It is an arithmetic number, because the mean of its divisors is an integer number (141650997805).

Almost surely, 2^566556100057 is an apocalyptic number.

It is an amenable number.

566556100057 is a deficient number, since it is larger than the sum of its proper divisors (47891163).

566556100057 is a wasteful number, since it uses less digits than its factorization.

566556100057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47891162.

The product of its (nonzero) digits is 945000, while the sum is 46.

The spelling of 566556100057 in words is "five hundred sixty-six billion, five hundred fifty-six million, one hundred thousand, fifty-seven".