51651160 has 32 divisors (see below), whose sum is σ = 126781200. Its totient is φ = 18782080.

The previous prime is 51651157. The next prime is 51651161. The reversal of 51651160 is 6115615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51651161) 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, 58255 + ... + 59134.

Almost surely, 2^51651160 is an apocalyptic number.

It is an amenable number.

51651160 is an abundant number, since it is smaller than the sum of its proper divisors (75130040).

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

51651160 is a wasteful number, since it uses less digits than its factorization.

51651160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117411 (or 117407 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 51651160 is about 7186.8741466649. The cubic root of 51651160 is about 372.4145953777.

Adding to 51651160 its reverse (6115615), we get a palindrome (57766775).

The spelling of 51651160 in words is "fifty-one million, six hundred fifty-one thousand, one hundred sixty".