55656666118 has 8 divisors (see below), whose sum is σ = 83555335512. Its totient is φ = 27804887616.

The previous prime is 55656666097. The next prime is 55656666167. The reversal of 55656666118 is 81166665655.

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

It is a super-3 number, since 3×55656666118³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 11719755 + ... + 11724502.

It is an arithmetic number, because the mean of its divisors is an integer number (10444416939).

Almost surely, 2^55656666118 is an apocalyptic number.

55656666118 is a deficient number, since it is larger than the sum of its proper divisors (27898669394).

55656666118 is a wasteful number, since it uses less digits than its factorization.

55656666118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23445446.

The product of its digits is 7776000, while the sum is 55.

The spelling of 55656666118 in words is "fifty-five billion, six hundred fifty-six million, six hundred sixty-six thousand, one hundred eighteen".