53986171 has 6 divisors (see below), whose sum is σ = 55026860. Its totient is φ = 52964808.

The previous prime is 53986157. The next prime is 53986187. The reversal of 53986171 is 17168935.

It is not a de Polignac number, because 53986171 - 2⁷ = 53986043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53984171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6801 + ... + 12418.

Almost surely, 2^53986171 is an apocalyptic number.

53986171 is a deficient number, since it is larger than the sum of its proper divisors (1040689).

53986171 is an equidigital number, since it uses as much as digits as its factorization.

53986171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19325 (or 19272 counting only the distinct ones).

The product of its digits is 45360, while the sum is 40.

The square root of 53986171 is about 7347.5282238315. The cubic root of 53986171 is about 377.9440465689.

The spelling of 53986171 in words is "fifty-three million, nine hundred eighty-six thousand, one hundred seventy-one".