51930382 has 32 divisors (see below), whose sum is σ = 94279680. Its totient is φ = 20956320.

The previous prime is 51930377. The next prime is 51930391. The reversal of 51930382 is 28303915.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51907 + ... + 52897.

It is an arithmetic number, because the mean of its divisors is an integer number (2946240).

Almost surely, 2^51930382 is an apocalyptic number.

51930382 is a deficient number, since it is larger than the sum of its proper divisors (42349298).

51930382 is a wasteful number, since it uses less digits than its factorization.

51930382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 51930382 is about 7206.2737944100. The cubic root of 51930382 is about 373.0844708028.

The spelling of 51930382 in words is "fifty-one million, nine hundred thirty thousand, three hundred eighty-two".