55008720055055 has 32 divisors (see below), whose sum is σ = 71601263986560. Its totient is φ = 40328958067200.

The previous prime is 55008720055043. The next prime is 55008720055057. The reversal of 55008720055055 is 55055002780055.

It is not a de Polignac number, because 55008720055055 - 2⁶ = 55008720054991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55008720055057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14961581 + ... + 18272009.

It is an arithmetic number, because the mean of its divisors is an integer number (2237539499580).

Almost surely, 2^{55008720055055} is an apocalyptic number.

55008720055055 is a deficient number, since it is larger than the sum of its proper divisors (16592543931505).

55008720055055 is a wasteful number, since it uses less digits than its factorization.

55008720055055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312291.

The product of its (nonzero) digits is 1750000, while the sum is 47.

The spelling of 55008720055055 in words is "fifty-five trillion, eight billion, seven hundred twenty million, fifty-five thousand, fifty-five".