51948171 has 24 divisors (see below), whose sum is σ = 83768256. Its totient is φ = 30749040.

The previous prime is 51948167. The next prime is 51948199. The reversal of 51948171 is 17184915.

It is not a de Polignac number, because 51948171 - 2² = 51948167 is a prime.

It is a super-2 number, since 2×51948171² = 5397224940490482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51948101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1845 + ... + 10358.

It is an arithmetic number, because the mean of its divisors is an integer number (3490344).

Almost surely, 2^51948171 is an apocalyptic number.

51948171 is a deficient number, since it is larger than the sum of its proper divisors (31820085).

51948171 is a wasteful number, since it uses less digits than its factorization.

51948171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12263 (or 12260 counting only the distinct ones).

The product of its digits is 10080, while the sum is 36.

The square root of 51948171 is about 7207.5079604535. The cubic root of 51948171 is about 373.1270665609.

The spelling of 51948171 in words is "fifty-one million, nine hundred forty-eight thousand, one hundred seventy-one".