51966338 has 16 divisors (see below), whose sum is σ = 81608256. Its totient is φ = 24771120.

The previous prime is 51966337. The next prime is 51966353. The reversal of 51966338 is 83366915.

It is a junction number, because it is equal to n+sod(n) for n = 51966295 and 51966304.

It is not an unprimeable number, because it can be changed into a prime (51966337) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13520 + ... + 16932.

It is an arithmetic number, because the mean of its divisors is an integer number (5100516).

Almost surely, 2^51966338 is an apocalyptic number.

51966338 is a deficient number, since it is larger than the sum of its proper divisors (29641918).

51966338 is a wasteful number, since it uses less digits than its factorization.

51966338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769.

The product of its digits is 116640, while the sum is 41.

The square root of 51966338 is about 7208.7681333221. The cubic root of 51966338 is about 373.1705574048.

The spelling of 51966338 in words is "fifty-one million, nine hundred sixty-six thousand, three hundred thirty-eight".