556665000057 has 6 divisors (see below), whose sum is σ = 804071666762. Its totient is φ = 371110000032.

The previous prime is 556665000053. The next prime is 556665000071. The reversal of 556665000057 is 750000566655.

It can be written as a sum of positive squares in only one way, i.e., 536210565696 + 20454434361 = 732264^2 + 143019^2 .

It is not a de Polignac number, because 556665000057 - 2² = 556665000053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 556664999976 and 556665000021.

It is not an unprimeable number, because it can be changed into a prime (556665000053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30925833328 + ... + 30925833345.

Almost surely, 2^556665000057 is an apocalyptic number.

It is an amenable number.

556665000057 is a deficient number, since it is larger than the sum of its proper divisors (247406666705).

556665000057 is a wasteful number, since it uses less digits than its factorization.

556665000057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61851666679 (or 61851666676 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 45.

The spelling of 556665000057 in words is "five hundred fifty-six billion, six hundred sixty-five million, fifty-seven", and thus it is an aban number.