52668753947 has 2 divisors, whose sum is σ = 52668753948. Its totient is φ = 52668753946.

The previous prime is 52668753931. The next prime is 52668754009. The reversal of 52668753947 is 74935786625.

It is an a-pointer prime, because the next prime (52668754009) can be obtained adding 52668753947 to its sum of digits (62).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52668753947 - 2⁴ = 52668753931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52668753947.

It is not a weakly prime, because it can be changed into another prime (52668753047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26334376973 + 26334376974.

It is an arithmetic number, because the mean of its divisors is an integer number (26334376974).

Almost surely, 2^52668753947 is an apocalyptic number.

52668753947 is a deficient number, since it is larger than the sum of its proper divisors (1).

52668753947 is an equidigital number, since it uses as much as digits as its factorization.

52668753947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76204800, while the sum is 62.

The spelling of 52668753947 in words is "fifty-two billion, six hundred sixty-eight million, seven hundred fifty-three thousand, nine hundred forty-seven".