55055681127155 has 32 divisors (see below), whose sum is σ = 71436211156800. Its totient is φ = 40591493908992.

The previous prime is 55055681127143. The next prime is 55055681127163. The reversal of 55055681127155 is 55172118655055.

It is a cyclic number.

It is not a de Polignac number, because 55055681127155 - 2⁶ = 55055681127091 is a prime.

It is a super-2 number, since 2×55055681127155² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55055681127155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18545069 + ... + 21308001.

It is an arithmetic number, because the mean of its divisors is an integer number (2232381598650).

Almost surely, 2^{55055681127155} is an apocalyptic number.

55055681127155 is a deficient number, since it is larger than the sum of its proper divisors (16380530029645).

55055681127155 is a wasteful number, since it uses less digits than its factorization.

55055681127155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768663.

The product of its (nonzero) digits is 10500000, while the sum is 56.

The spelling of 55055681127155 in words is "fifty-five trillion, fifty-five billion, six hundred eighty-one million, one hundred twenty-seven thousand, one hundred fifty-five".