52240171 has 4 divisors (see below), whose sum is σ = 53351712. Its totient is φ = 51128632.

The previous prime is 52240163. The next prime is 52240183. The reversal of 52240171 is 17104225.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52240171 - 2³ = 52240163 is a prime.

It is a super-2 number, since 2×52240171² = 5458070932218482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52240121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555700 + ... + 555793.

It is an arithmetic number, because the mean of its divisors is an integer number (13337928).

Almost surely, 2^52240171 is an apocalyptic number.

52240171 is a deficient number, since it is larger than the sum of its proper divisors (1111541).

52240171 is a wasteful number, since it uses less digits than its factorization.

52240171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111540.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 52240171 is about 7227.7362292768. The cubic root of 52240171 is about 373.8248748772.

Adding to 52240171 its reverse (17104225), we get a palindrome (69344396).

The spelling of 52240171 in words is "fifty-two million, two hundred forty thousand, one hundred seventy-one".