51507112 has 16 divisors (see below), whose sum is σ = 98631360. Its totient is φ = 25205424.

The previous prime is 51507083. The next prime is 51507133. The reversal of 51507112 is 21170515.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68118 + ... + 68869.

It is an arithmetic number, because the mean of its divisors is an integer number (6164460).

Almost surely, 2^51507112 is an apocalyptic number.

It is an amenable number.

51507112 is a deficient number, since it is larger than the sum of its proper divisors (47124248).

51507112 is a wasteful number, since it uses less digits than its factorization.

51507112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137040 (or 137036 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 51507112 is about 7176.8455466173. The cubic root of 51507112 is about 372.0680686324.

Adding to 51507112 its reverse (21170515), we get a palindrome (72677627).

The spelling of 51507112 in words is "fifty-one million, five hundred seven thousand, one hundred twelve".