51343612 has 24 divisors (see below), whose sum is σ = 91072800. Its totient is φ = 25325760.

The previous prime is 51343609. The next prime is 51343631. The reversal of 51343612 is 21634315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164937 + ... + 165247.

It is an arithmetic number, because the mean of its divisors is an integer number (3794700).

Almost surely, 2^51343612 is an apocalyptic number.

It is an amenable number.

51343612 is a deficient number, since it is larger than the sum of its proper divisors (39729188).

51343612 is a wasteful number, since it uses less digits than its factorization.

51343612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 739 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 51343612 is about 7165.4456944422. The cubic root of 51343612 is about 371.6739637633.

Adding to 51343612 its reverse (21634315), we get a palindrome (72977927).

The spelling of 51343612 in words is "fifty-one million, three hundred forty-three thousand, six hundred twelve".