51628171 has 8 divisors (see below), whose sum is σ = 59117024. Its totient is φ = 44167680.

The previous prime is 51628163. The next prime is 51628183. The reversal of 51628171 is 17182615.

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 51628171 - 2³ = 51628163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51628141) 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, 3030 + ... + 10603.

It is an arithmetic number, because the mean of its divisors is an integer number (7389628).

Almost surely, 2^51628171 is an apocalyptic number.

51628171 is a deficient number, since it is larger than the sum of its proper divisors (7488853).

51628171 is a wasteful number, since it uses less digits than its factorization.

51628171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14181.

The product of its digits is 3360, while the sum is 31.

The square root of 51628171 is about 7185.2745946136. The cubic root of 51628171 is about 372.3593355047.

It can be divided in two parts, 5 and 1628171, that added together give a square (1628176 = 1276²).

The spelling of 51628171 in words is "fifty-one million, six hundred twenty-eight thousand, one hundred seventy-one".