55666500014 has 32 divisors (see below), whose sum is σ = 85400248320. Its totient is φ = 27205970400.

The previous prime is 55666499921. The next prime is 55666500023. The reversal of 55666500014 is 41000566655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16414259 + ... + 16417649.

It is an arithmetic number, because the mean of its divisors is an integer number (2668757760).

Almost surely, 2^55666500014 is an apocalyptic number.

55666500014 is a deficient number, since it is larger than the sum of its proper divisors (29733748306).

55666500014 is a wasteful number, since it uses less digits than its factorization.

55666500014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4256.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 55666500014 in words is "fifty-five billion, six hundred sixty-six million, five hundred thousand, fourteen".