52859526491 has 2 divisors, whose sum is σ = 52859526492. Its totient is φ = 52859526490.

The previous prime is 52859526481. The next prime is 52859526529. The reversal of 52859526491 is 19462595825.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52859526491 - 2⁶ = 52859526427 is a prime.

It is not a weakly prime, because it can be changed into another prime (52859526431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26429763245 + 26429763246.

It is an arithmetic number, because the mean of its divisors is an integer number (26429763246).

Almost surely, 2^52859526491 is an apocalyptic number.

52859526491 is a deficient number, since it is larger than the sum of its proper divisors (1).

52859526491 is an equidigital number, since it uses as much as digits as its factorization.

52859526491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776000, while the sum is 56.

The spelling of 52859526491 in words is "fifty-two billion, eight hundred fifty-nine million, five hundred twenty-six thousand, four hundred ninety-one".