54520171 has 2 divisors, whose sum is σ = 54520172. Its totient is φ = 54520170.

The previous prime is 54520159. The next prime is 54520181. The reversal of 54520171 is 17102545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54520171 - 2⁷ = 54520043 is a prime.

It is not a weakly prime, because it can be changed into another prime (54520181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27260085 + 27260086.

It is an arithmetic number, because the mean of its divisors is an integer number (27260086).

Almost surely, 2^54520171 is an apocalyptic number.

54520171 is a deficient number, since it is larger than the sum of its proper divisors (1).

54520171 is an equidigital number, since it uses as much as digits as its factorization.

54520171 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 54520171 is about 7383.7775562377. Note that the first 3 decimals coincide. The cubic root of 54520171 is about 379.1860950047.

The spelling of 54520171 in words is "fifty-four million, five hundred twenty thousand, one hundred seventy-one".