55105266163 has 8 divisors (see below), whose sum is σ = 55322859008. Its totient is φ = 54888040584.

The previous prime is 55105266157. The next prime is 55105266221. The reversal of 55105266163 is 36166250155.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55105266163 is a prime.

It is a super-3 number, since 3×55105266163³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55105266263) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 210820 + ... + 393262.

It is an arithmetic number, because the mean of its divisors is an integer number (6915357376).

Almost surely, 2^55105266163 is an apocalyptic number.

55105266163 is a deficient number, since it is larger than the sum of its proper divisors (217592845).

55105266163 is a wasteful number, since it uses less digits than its factorization.

55105266163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183633.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 55105266163 in words is "fifty-five billion, one hundred five million, two hundred sixty-six thousand, one hundred sixty-three".