51930933 has 12 divisors (see below), whose sum is σ = 73078848. Its totient is φ = 32797800.

The previous prime is 51930929. The next prime is 51930953. The reversal of 51930933 is 33903915.

51930933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51930933 - 2² = 51930929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51930894 and 51930903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51930953) 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 11 ways as a sum of consecutive naturals, for example, 22893 + ... + 25058.

It is an arithmetic number, because the mean of its divisors is an integer number (6089904).

Almost surely, 2^51930933 is an apocalyptic number.

It is an amenable number.

51930933 is a deficient number, since it is larger than the sum of its proper divisors (21147915).

51930933 is a wasteful number, since it uses less digits than its factorization.

51930933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47992 (or 47973 counting only the distinct ones).

The product of its (nonzero) digits is 10935, while the sum is 33.

The square root of 51930933 is about 7206.3120248849. The cubic root of 51930933 is about 373.0857903182.

The spelling of 51930933 in words is "fifty-one million, nine hundred thirty thousand, nine hundred thirty-three".