52530644567 has 2 divisors, whose sum is σ = 52530644568. Its totient is φ = 52530644566.

The previous prime is 52530644503. The next prime is 52530644581. The reversal of 52530644567 is 76544603525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52530644567 - 2⁶ = 52530644503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52530644267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26265322283 + 26265322284.

It is an arithmetic number, because the mean of its divisors is an integer number (26265322284).

Almost surely, 2^52530644567 is an apocalyptic number.

52530644567 is a deficient number, since it is larger than the sum of its proper divisors (1).

52530644567 is an equidigital number, since it uses as much as digits as its factorization.

52530644567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024000, while the sum is 47.

The spelling of 52530644567 in words is "fifty-two billion, five hundred thirty million, six hundred forty-four thousand, five hundred sixty-seven".