52040172 has 24 divisors (see below), whose sum is σ = 121977856. Its totient is φ = 17268048.

The previous prime is 52040161. The next prime is 52040189. The reversal of 52040172 is 27104025.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7048 + ... + 12399.

Almost surely, 2^52040172 is an apocalyptic number.

It is an amenable number.

52040172 is an abundant number, since it is smaller than the sum of its proper divisors (69937684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52040172 is a wasteful number, since it uses less digits than its factorization.

52040172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19677 (or 19675 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 52040172 is about 7213.8874402086. The cubic root of 52040172 is about 373.3472078886.

Adding to 52040172 its reverse (27104025), we get a palindrome (79144197).

The spelling of 52040172 in words is "fifty-two million, forty thousand, one hundred seventy-two".