53857413161 has 2 divisors, whose sum is σ = 53857413162. Its totient is φ = 53857413160.

The previous prime is 53857413143. The next prime is 53857413283. The reversal of 53857413161 is 16131475835.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53856020761 + 1392400 = 232069^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 53857413161 - 2²⁶ = 53790304297 is a prime.

It is not a weakly prime, because it can be changed into another prime (53857413101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26928706580 + 26928706581.

It is an arithmetic number, because the mean of its divisors is an integer number (26928706581).

Almost surely, 2^53857413161 is an apocalyptic number.

It is an amenable number.

53857413161 is a deficient number, since it is larger than the sum of its proper divisors (1).

53857413161 is an equidigital number, since it uses as much as digits as its factorization.

53857413161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 44.

Adding to 53857413161 its reverse (16131475835), we get a palindrome (69988888996).

The spelling of 53857413161 in words is "fifty-three billion, eight hundred fifty-seven million, four hundred thirteen thousand, one hundred sixty-one".