51336943 has 8 divisors (see below), whose sum is σ = 61221888. Its totient is φ = 42089784.

The previous prime is 51336893. The next prime is 51336953. The reversal of 51336943 is 34963315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51336943 - 2¹⁷ = 51205871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51336899 and 51336908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51336953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159271 + ... + 159592.

It is an arithmetic number, because the mean of its divisors is an integer number (7652736).

Almost surely, 2^51336943 is an apocalyptic number.

51336943 is a deficient number, since it is larger than the sum of its proper divisors (9884945).

51336943 is a wasteful number, since it uses less digits than its factorization.

51336943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318893.

The product of its digits is 29160, while the sum is 34.

The square root of 51336943 is about 7164.9803209779. The cubic root of 51336943 is about 371.6578708753.

The spelling of 51336943 in words is "fifty-one million, three hundred thirty-six thousand, nine hundred forty-three".