54205171 has 2 divisors, whose sum is σ = 54205172. Its totient is φ = 54205170.

The previous prime is 54205169. The next prime is 54205187. The reversal of 54205171 is 17150245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54205171 - 2¹ = 54205169 is a prime.

Together with 54205169, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (54205121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27102585 + 27102586.

It is an arithmetic number, because the mean of its divisors is an integer number (27102586).

Almost surely, 2^54205171 is an apocalyptic number.

54205171 is a deficient number, since it is larger than the sum of its proper divisors (1).

54205171 is an equidigital number, since it uses as much as digits as its factorization.

54205171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 54205171 is about 7362.4161115764. The cubic root of 54205171 is about 378.4544123109.

The spelling of 54205171 in words is "fifty-four million, two hundred five thousand, one hundred seventy-one".