51752197829 has 2 divisors, whose sum is σ = 51752197830. Its totient is φ = 51752197828.

The previous prime is 51752197823. The next prime is 51752197843. The reversal of 51752197829 is 92879125715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36213328804 + 15538869025 = 190298^2 + 124655^2 .

It is a cyclic number.

It is not a de Polignac number, because 51752197829 - 2¹² = 51752193733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51752197823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25876098914 + 25876098915.

It is an arithmetic number, because the mean of its divisors is an integer number (25876098915).

Almost surely, 2^51752197829 is an apocalyptic number.

It is an amenable number.

51752197829 is a deficient number, since it is larger than the sum of its proper divisors (1).

51752197829 is an equidigital number, since it uses as much as digits as its factorization.

51752197829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3175200, while the sum is 56.

The spelling of 51752197829 in words is "fifty-one billion, seven hundred fifty-two million, one hundred ninety-seven thousand, eight hundred twenty-nine".