55804642566656 has 80 divisors (see below), whose sum is σ = 111681469785600. Its totient is φ = 27857018462208.

The previous prime is 55804642566623. The next prime is 55804642566667. The reversal of 55804642566656 is 65666524640855.

It is a super-2 number, since 2×55804642566656² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824515025 + ... + 824582703.

It is an arithmetic number, because the mean of its divisors is an integer number (1396018372320).

Almost surely, 2^{55804642566656} is an apocalyptic number.

It is an amenable number.

55804642566656 is an abundant number, since it is smaller than the sum of its proper divisors (55876827218944).

55804642566656 is a wasteful number, since it uses less digits than its factorization.

55804642566656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70289 (or 70273 counting only the distinct ones).

The product of its (nonzero) digits is 1244160000, while the sum is 68.

The spelling of 55804642566656 in words is "fifty-five trillion, eight hundred four billion, six hundred forty-two million, five hundred sixty-six thousand, six hundred fifty-six".