56053216266 has 16 divisors (see below), whose sum is σ = 112502571744. Its totient is φ = 18618382224.

The previous prime is 56053216253. The next prime is 56053216309. The reversal of 56053216266 is 66261235065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16503961 + ... + 16507356.

It is an arithmetic number, because the mean of its divisors is an integer number (7031410734).

Almost surely, 2^56053216266 is an apocalyptic number.

56053216266 is an abundant number, since it is smaller than the sum of its proper divisors (56449355478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56053216266 is a wasteful number, since it uses less digits than its factorization.

56053216266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33011605.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 56053216266 in words is "fifty-six billion, fifty-three million, two hundred sixteen thousand, two hundred sixty-six".