52018171 has 4 divisors (see below), whose sum is σ = 52185744. Its totient is φ = 51850600.

The previous prime is 52018151. The next prime is 52018229. The reversal of 52018171 is 17181025.

52018171 = 244² + 245² + ... + 554².

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 52018171 - 2⁵ = 52018139 is a prime.

It is a super-2 number, since 2×52018171² = 5411780228370482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52018151) 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, 83320 + ... + 83941.

It is an arithmetic number, because the mean of its divisors is an integer number (13046436).

Almost surely, 2^52018171 is an apocalyptic number.

52018171 is a deficient number, since it is larger than the sum of its proper divisors (167573).

52018171 is a wasteful number, since it uses less digits than its factorization.

52018171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167572.

The product of its (nonzero) digits is 560, while the sum is 25.

The square root of 52018171 is about 7212.3623730370. The cubic root of 52018171 is about 373.2945871956.

Adding to 52018171 its reverse (17181025), we get a palindrome (69199196).

The spelling of 52018171 in words is "fifty-two million, eighteen thousand, one hundred seventy-one".