56556566002 has 8 divisors (see below), whose sum is σ = 85613150700. Its totient is φ = 28018849104.

The previous prime is 56556565993. The next prime is 56556566023. The reversal of 56556566002 is 20066565565.

56556566002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47812632921 + 8743933081 = 218661^2 + 93509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129716677 + ... + 129717112.

Almost surely, 2^56556566002 is an apocalyptic number.

56556566002 is a deficient number, since it is larger than the sum of its proper divisors (29056584698).

56556566002 is a wasteful number, since it uses less digits than its factorization.

56556566002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259433900.

The product of its (nonzero) digits is 1620000, while the sum is 46.

The spelling of 56556566002 in words is "fifty-six billion, five hundred fifty-six million, five hundred sixty-six thousand, two".