52140173 has 8 divisors (see below), whose sum is σ = 57111480. Its totient is φ = 47380480.

The previous prime is 52140163. The next prime is 52140191. The reversal of 52140173 is 37104125.

52140173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2550409 + 49589764 = 1597^2 + 7042^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52140173 - 2⁴ = 52140157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52140133) 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 7 ways as a sum of consecutive naturals, for example, 52388 + ... + 53373.

It is an arithmetic number, because the mean of its divisors is an integer number (7138935).

Almost surely, 2^52140173 is an apocalyptic number.

It is an amenable number.

52140173 is a deficient number, since it is larger than the sum of its proper divisors (4971307).

52140173 is a wasteful number, since it uses less digits than its factorization.

52140173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105807.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 52140173 is about 7220.8152586810. The cubic root of 52140173 is about 373.5861976515.

Adding to 52140173 its reverse (37104125), we get a palindrome (89244298).

The spelling of 52140173 in words is "fifty-two million, one hundred forty thousand, one hundred seventy-three".