56607880566 has 16 divisors (see below), whose sum is σ = 116275647024. Its totient is φ = 18359312544.

The previous prime is 56607880547. The next prime is 56607880579. The reversal of 56607880566 is 66508870665.

It is a Curzon number.

It is a congruent number.

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, 127495005 + ... + 127495448.

It is an arithmetic number, because the mean of its divisors is an integer number (7267227939).

Almost surely, 2^56607880566 is an apocalyptic number.

56607880566 is an abundant number, since it is smaller than the sum of its proper divisors (59667766458).

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

56607880566 is a wasteful number, since it uses less digits than its factorization.

56607880566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254990495.

The product of its (nonzero) digits is 14515200, while the sum is 57.

Subtracting 56607880566 from its reverse (66508870665), we obtain a palindrome (9900990099).

The spelling of 56607880566 in words is "fifty-six billion, six hundred seven million, eight hundred eighty thousand, five hundred sixty-six".