51790738 has 16 divisors (see below), whose sum is σ = 82425600. Its totient is φ = 24321856.

The previous prime is 51790703. The next prime is 51790763. The reversal of 51790738 is 83709715.

It is a self number, because there is not a number n which added to its sum of digits gives 51790738.

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, 19095 + ... + 21637.

It is an arithmetic number, because the mean of its divisors is an integer number (5151600).

Almost surely, 2^51790738 is an apocalyptic number.

51790738 is a deficient number, since it is larger than the sum of its proper divisors (30634862).

51790738 is a wasteful number, since it uses less digits than its factorization.

51790738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 51790738 is about 7196.5782146795. The cubic root of 51790738 is about 372.7497548821.

The spelling of 51790738 in words is "fifty-one million, seven hundred ninety thousand, seven hundred thirty-eight".