52051916647967 has 2 divisors, whose sum is σ = 52051916647968. Its totient is φ = 52051916647966.

The previous prime is 52051916647919. The next prime is 52051916648021. The reversal of 52051916647967 is 76974661915025.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52051916647967 - 2⁶ = 52051916647903 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52051916647897 and 52051916647906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52051916647667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26025958323983 + 26025958323984.

It is an arithmetic number, because the mean of its divisors is an integer number (26025958323984).

Almost surely, 2^{52051916647967} is an apocalyptic number.

52051916647967 is a deficient number, since it is larger than the sum of its proper divisors (1).

52051916647967 is an equidigital number, since it uses as much as digits as its factorization.

52051916647967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 171460800, while the sum is 68.

The spelling of 52051916647967 in words is "fifty-two trillion, fifty-one billion, nine hundred sixteen million, six hundred forty-seven thousand, nine hundred sixty-seven".