51446312 has 16 divisors (see below), whose sum is σ = 97784340. Its totient is φ = 25370496.

The previous prime is 51446299. The next prime is 51446321. The reversal of 51446312 is 21364415.

It can be written as a sum of positive squares in 2 ways, for example, as 46977316 + 4468996 = 6854^2 + 2114^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43463 + ... + 44630.

Almost surely, 2^51446312 is an apocalyptic number.

It is an amenable number.

51446312 is a deficient number, since it is larger than the sum of its proper divisors (46338028).

51446312 is a wasteful number, since it uses less digits than its factorization.

51446312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88172 (or 88168 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 51446312 is about 7172.6084516025. The cubic root of 51446312 is about 371.9216121880.

The spelling of 51446312 in words is "fifty-one million, four hundred forty-six thousand, three hundred twelve".