51343412 has 12 divisors (see below), whose sum is σ = 89929056. Its totient is φ = 25649400.

The previous prime is 51343399. The next prime is 51343423. The reversal of 51343412 is 21434315.

It is a super-2 number, since 2×51343412² = 5272291911603488, which contains 22 as substring.

It is a congruent number.

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, 287 + ... + 10137.

It is an arithmetic number, because the mean of its divisors is an integer number (7494088).

Almost surely, 2^51343412 is an apocalyptic number.

It is an amenable number.

51343412 is a deficient number, since it is larger than the sum of its proper divisors (38585644).

51343412 is a wasteful number, since it uses less digits than its factorization.

51343412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11158 (or 11156 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 51343412 is about 7165.4317385626. The cubic root of 51343412 is about 371.6734811659.

Adding to 51343412 its reverse (21434315), we get a palindrome (72777727).

The spelling of 51343412 in words is "fifty-one million, three hundred forty-three thousand, four hundred twelve".