51752448019 has 2 divisors, whose sum is σ = 51752448020. Its totient is φ = 51752448018.

The previous prime is 51752447983. The next prime is 51752448037. The reversal of 51752448019 is 91084425715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51752448019 - 2⁹ = 51752447507 is a prime.

It is a super-2 number, since 2×51752448019² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51752448019.

It is not a weakly prime, because it can be changed into another prime (51752448619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25876224009 + 25876224010.

It is an arithmetic number, because the mean of its divisors is an integer number (25876224010).

Almost surely, 2^51752448019 is an apocalyptic number.

51752448019 is a deficient number, since it is larger than the sum of its proper divisors (1).

51752448019 is an equidigital number, since it uses as much as digits as its factorization.

51752448019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 51752448019 in words is "fifty-one billion, seven hundred fifty-two million, four hundred forty-eight thousand, nineteen".