51798171 has 8 divisors (see below), whose sum is σ = 69105744. Its totient is φ = 34511360.

The previous prime is 51798163. The next prime is 51798181. The reversal of 51798171 is 17189715.

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 51798171 - 2³ = 51798163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51798181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2095 + ... + 10391.

It is an arithmetic number, because the mean of its divisors is an integer number (8638218).

Almost surely, 2^51798171 is an apocalyptic number.

51798171 is a deficient number, since it is larger than the sum of its proper divisors (17307573).

51798171 is a wasteful number, since it uses less digits than its factorization.

51798171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10381.

The product of its digits is 17640, while the sum is 39.

The square root of 51798171 is about 7197.0946221375. The cubic root of 51798171 is about 372.7675863612.

The spelling of 51798171 in words is "fifty-one million, seven hundred ninety-eight thousand, one hundred seventy-one".