54178171 has 2 divisors, whose sum is σ = 54178172. Its totient is φ = 54178170.

The previous prime is 54178147. The next prime is 54178199. The reversal of 54178171 is 17187145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54178171 - 2⁷ = 54178043 is a prime.

It is not a weakly prime, because it can be changed into another prime (54178571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27089085 + 27089086.

It is an arithmetic number, because the mean of its divisors is an integer number (27089086).

Almost surely, 2^54178171 is an apocalyptic number.

54178171 is a deficient number, since it is larger than the sum of its proper divisors (1).

54178171 is an equidigital number, since it uses as much as digits as its factorization.

54178171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7840, while the sum is 34.

The square root of 54178171 is about 7360.5822459911. The cubic root of 54178171 is about 378.3915648862.

The spelling of 54178171 in words is "fifty-four million, one hundred seventy-eight thousand, one hundred seventy-one".