51535112 has 8 divisors (see below), whose sum is σ = 96628350. Its totient is φ = 25767552.

The previous prime is 51535079. The next prime is 51535181. The reversal of 51535112 is 21153515.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 44169316 + 7365796 = 6646^2 + 2714^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3220937 + ... + 3220952.

Almost surely, 2^51535112 is an apocalyptic number.

It is an amenable number.

51535112 is a deficient number, since it is larger than the sum of its proper divisors (45093238).

51535112 is a wasteful number, since it uses less digits than its factorization.

51535112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6441895 (or 6441891 counting only the distinct ones).

The product of its digits is 750, while the sum is 23.

The square root of 51535112 is about 7178.7959993302. The cubic root of 51535112 is about 372.1354769204.

Adding to 51535112 its reverse (21153515), we get a palindrome (72688627).

The spelling of 51535112 in words is "fifty-one million, five hundred thirty-five thousand, one hundred twelve".