556665000055 has 4 divisors (see below), whose sum is σ = 667998000072. Its totient is φ = 445332000040.

The previous prime is 556665000053. The next prime is 556665000071. The reversal of 556665000055 is 550000566655.

556665000055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 556665000055 - 2¹ = 556665000053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 556664999975 and 556665000020.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55666500001 + ... + 55666500010.

It is an arithmetic number, because the mean of its divisors is an integer number (166999500018).

Almost surely, 2^556665000055 is an apocalyptic number.

556665000055 is a deficient number, since it is larger than the sum of its proper divisors (111333000017).

556665000055 is a wasteful number, since it uses less digits than its factorization.

556665000055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111333000016.

The product of its (nonzero) digits is 675000, while the sum is 43.

The spelling of 556665000055 in words is "five hundred fifty-six billion, six hundred sixty-five million, fifty-five", and thus it is an aban number.