51235612 has 6 divisors (see below), whose sum is σ = 89662328. Its totient is φ = 25617804.

The previous prime is 51235607. The next prime is 51235619. The reversal of 51235612 is 21653215.

51235612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51235619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6404448 + ... + 6404455.

Almost surely, 2^51235612 is an apocalyptic number.

It is an amenable number.

51235612 is a deficient number, since it is larger than the sum of its proper divisors (38426716).

51235612 is a wasteful number, since it uses less digits than its factorization.

51235612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12808907 (or 12808905 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 51235612 is about 7157.9055595893. The cubic root of 51235612 is about 371.4131785393.

Adding to 51235612 its reverse (21653215), we get a palindrome (72888827).

The spelling of 51235612 in words is "fifty-one million, two hundred thirty-five thousand, six hundred twelve".