55805177517843 has 16 divisors (see below), whose sum is σ = 80130647036160. Its totient is φ = 34341589533984.

The previous prime is 55805177517811. The next prime is 55805177517907. The reversal of 55805177517843 is 34871577150855.

It is not a de Polignac number, because 55805177517843 - 2⁵ = 55805177517811 is a prime.

It is a super-2 number, since 2×55805177517843² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55805177507843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38986618 + ... + 40392656.

It is an arithmetic number, because the mean of its divisors is an integer number (5008165439760).

Almost surely, 2^{55805177517843} is an apocalyptic number.

55805177517843 is a deficient number, since it is larger than the sum of its proper divisors (24325469518317).

55805177517843 is a wasteful number, since it uses less digits than its factorization.

55805177517843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423738.

The product of its (nonzero) digits is 164640000, while the sum is 66.

The spelling of 55805177517843 in words is "fifty-five trillion, eight hundred five billion, one hundred seventy-seven million, five hundred seventeen thousand, eight hundred forty-three".