53500171 has 2 divisors, whose sum is σ = 53500172. Its totient is φ = 53500170.

The previous prime is 53500163. The next prime is 53500177. The reversal of 53500171 is 17100535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53500171 - 2³ = 53500163 is a prime.

It is not a weakly prime, because it can be changed into another prime (53500177) 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 as a sum of consecutive naturals, namely, 26750085 + 26750086.

It is an arithmetic number, because the mean of its divisors is an integer number (26750086).

Almost surely, 2^53500171 is an apocalyptic number.

53500171 is a deficient number, since it is larger than the sum of its proper divisors (1).

53500171 is an equidigital number, since it uses as much as digits as its factorization.

53500171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 53500171 is about 7314.3811084739. The cubic root of 53500171 is about 376.8065036262.

The spelling of 53500171 in words is "fifty-three million, five hundred thousand, one hundred seventy-one".