55718163 has 12 divisors (see below), whose sum is σ = 85216248. Its totient is φ = 34960320.

The previous prime is 55718161. The next prime is 55718177. The reversal of 55718163 is 36181755.

55718163 is a `hidden beast` number, since 5 + 571 + 81 + 6 + 3 = 666.

It is not a de Polignac number, because 55718163 - 2¹ = 55718161 is a prime.

It is a super-3 number, since 3×55718163³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55718161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181933 + ... + 182238.

It is an arithmetic number, because the mean of its divisors is an integer number (7101354).

Almost surely, 2^55718163 is an apocalyptic number.

55718163 is a deficient number, since it is larger than the sum of its proper divisors (29498085).

55718163 is a wasteful number, since it uses less digits than its factorization.

55718163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364194 (or 364191 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 55718163 is about 7464.4599938643. The cubic root of 55718163 is about 381.9433296779.

The spelling of 55718163 in words is "fifty-five million, seven hundred eighteen thousand, one hundred sixty-three".