52457611321009 has 2 divisors, whose sum is σ = 52457611321010. Its totient is φ = 52457611321008.

The previous prime is 52457611320931. The next prime is 52457611321091. The reversal of 52457611321009 is 90012311675425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34128321383025 + 18329289937984 = 5841945^2 + 4281272^2 .

It is a cyclic number.

It is not a de Polignac number, because 52457611321009 - 2⁹ = 52457611320497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52457611321009.

It is not a weakly prime, because it can be changed into another prime (52457611322009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26228805660504 + 26228805660505.

It is an arithmetic number, because the mean of its divisors is an integer number (26228805660505).

Almost surely, 2^{52457611321009} is an apocalyptic number.

It is an amenable number.

52457611321009 is a deficient number, since it is larger than the sum of its proper divisors (1).

52457611321009 is an equidigital number, since it uses as much as digits as its factorization.

52457611321009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 52457611321009 in words is "fifty-two trillion, four hundred fifty-seven billion, six hundred eleven million, three hundred twenty-one thousand, nine".