53102171 has 4 divisors (see below), whose sum is σ = 53829672. Its totient is φ = 52374672.

The previous prime is 53102149. The next prime is 53102173. The reversal of 53102171 is 17120135.

53102171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53102171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53102173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363641 + ... + 363786.

It is an arithmetic number, because the mean of its divisors is an integer number (13457418).

Almost surely, 2^53102171 is an apocalyptic number.

53102171 is a deficient number, since it is larger than the sum of its proper divisors (727501).

53102171 is an equidigital number, since it uses as much as digits as its factorization.

53102171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727500.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 53102171 is about 7287.1236437980. The cubic root of 53102171 is about 375.8697937379.

The spelling of 53102171 in words is "fifty-three million, one hundred two thousand, one hundred seventy-one".