55016668855535 has 16 divisors (see below), whose sum is σ = 67559615460480. Its totient is φ = 42987055739040.

The previous prime is 55016668855513. The next prime is 55016668855579. The reversal of 55016668855535 is 53555886661055.

It is not a de Polignac number, because 55016668855535 - 2¹² = 55016668851439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4658021 + ... + 11477390.

It is an arithmetic number, because the mean of its divisors is an integer number (4222475966280).

Almost surely, 2^{55016668855535} is an apocalyptic number.

55016668855535 is a deficient number, since it is larger than the sum of its proper divisors (12542946604945).

55016668855535 is a wasteful number, since it uses less digits than its factorization.

55016668855535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16151318.

The product of its (nonzero) digits is 648000000, while the sum is 68.

The spelling of 55016668855535 in words is "fifty-five trillion, sixteen billion, six hundred sixty-eight million, eight hundred fifty-five thousand, five hundred thirty-five".