51938246 has 16 divisors (see below), whose sum is σ = 81572400. Its totient is φ = 24769248.

The previous prime is 51938239. The next prime is 51938273. The reversal of 51938246 is 64283915.

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 7 ways as a sum of consecutive naturals, for example, 581 + ... + 10208.

It is an arithmetic number, because the mean of its divisors is an integer number (5098275).

Almost surely, 2^51938246 is an apocalyptic number.

51938246 is a deficient number, since it is larger than the sum of its proper divisors (29634154).

51938246 is a wasteful number, since it uses less digits than its factorization.

51938246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10903.

The product of its digits is 51840, while the sum is 38.

The square root of 51938246 is about 7206.8194094205. The cubic root of 51938246 is about 373.1033023492.

The spelling of 51938246 in words is "fifty-one million, nine hundred thirty-eight thousand, two hundred forty-six".