52163591257 has 2 divisors, whose sum is σ = 52163591258. Its totient is φ = 52163591256.

The previous prime is 52163591251. The next prime is 52163591273. The reversal of 52163591257 is 75219536125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42877570761 + 9286020496 = 207069^2 + 96364^2 .

It is a cyclic number.

It is not a de Polignac number, because 52163591257 - 2³⁵ = 17803852889 is a prime.

It is not a weakly prime, because it can be changed into another prime (52163591251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26081795628 + 26081795629.

It is an arithmetic number, because the mean of its divisors is an integer number (26081795629).

Almost surely, 2^52163591257 is an apocalyptic number.

It is an amenable number.

52163591257 is a deficient number, since it is larger than the sum of its proper divisors (1).

52163591257 is an equidigital number, since it uses as much as digits as its factorization.

52163591257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 567000, while the sum is 46.

The spelling of 52163591257 in words is "fifty-two billion, one hundred sixty-three million, five hundred ninety-one thousand, two hundred fifty-seven".