52445206591 has 2 divisors, whose sum is σ = 52445206592. Its totient is φ = 52445206590.

The previous prime is 52445206531. The next prime is 52445206603. The reversal of 52445206591 is 19560254425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52445206591 - 2¹¹ = 52445204543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52445206511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26222603295 + 26222603296.

It is an arithmetic number, because the mean of its divisors is an integer number (26222603296).

Almost surely, 2^52445206591 is an apocalyptic number.

52445206591 is a deficient number, since it is larger than the sum of its proper divisors (1).

52445206591 is an equidigital number, since it uses as much as digits as its factorization.

52445206591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 52445206591 in words is "fifty-two billion, four hundred forty-five million, two hundred six thousand, five hundred ninety-one".