51693703 has 2 divisors, whose sum is σ = 51693704. Its totient is φ = 51693702.

The previous prime is 51693679. The next prime is 51693713. The reversal of 51693703 is 30739615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51693703 - 2¹⁷ = 51562631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51693713) 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 as a sum of consecutive naturals, namely, 25846851 + 25846852.

It is an arithmetic number, because the mean of its divisors is an integer number (25846852).

Almost surely, 2^51693703 is an apocalyptic number.

51693703 is a deficient number, since it is larger than the sum of its proper divisors (1).

51693703 is an equidigital number, since it uses as much as digits as its factorization.

51693703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 51693703 is about 7189.8333082207. The cubic root of 51693703 is about 372.5168150000.

The spelling of 51693703 in words is "fifty-one million, six hundred ninety-three thousand, seven hundred three".