51994799 has 2 divisors, whose sum is σ = 51994800. Its totient is φ = 51994798.

The previous prime is 51994793. The next prime is 51994829. The reversal of 51994799 is 99749915.

51994799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51994799 - 2¹² = 51990703 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51994799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51994793) 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 as a sum of consecutive naturals, namely, 25997399 + 25997400.

It is an arithmetic number, because the mean of its divisors is an integer number (25997400).

Almost surely, 2^51994799 is an apocalyptic number.

51994799 is a deficient number, since it is larger than the sum of its proper divisors (1).

51994799 is an equidigital number, since it uses as much as digits as its factorization.

51994799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 918540, while the sum is 53.

The square root of 51994799 is about 7210.7419174451. The cubic root of 51994799 is about 373.2386711703.

The spelling of 51994799 in words is "fifty-one million, nine hundred ninety-four thousand, seven hundred ninety-nine".