51323612 has 24 divisors (see below), whose sum is σ = 95319504. Its totient is φ = 24096512.

The previous prime is 51323611. The next prime is 51323627. The reversal of 51323612 is 21632315.

51323612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51323612² = 5268226297453088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51323611) 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 in 7 ways as a sum of consecutive naturals, for example, 53723 + ... + 54669.

It is an arithmetic number, because the mean of its divisors is an integer number (3971646).

Almost surely, 2^51323612 is an apocalyptic number.

It is an amenable number.

51323612 is a deficient number, since it is larger than the sum of its proper divisors (43995892).

51323612 is a wasteful number, since it uses less digits than its factorization.

51323612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765 (or 1763 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 51323612 is about 7164.0499719083. The cubic root of 51323612 is about 371.6256978130.

Adding to 51323612 its reverse (21632315), we get a palindrome (72955927).

The spelling of 51323612 in words is "fifty-one million, three hundred twenty-three thousand, six hundred twelve".