53805889923691 has 2 divisors, whose sum is σ = 53805889923692. Its totient is φ = 53805889923690.

The previous prime is 53805889923679. The next prime is 53805889923763. The reversal of 53805889923691 is 19632998850835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53805889923691 - 2¹¹ = 53805889921643 is a prime.

It is not a weakly prime, because it can be changed into another prime (53805889123691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26902944961845 + 26902944961846.

It is an arithmetic number, because the mean of its divisors is an integer number (26902944961846).

Almost surely, 2^{53805889923691} is an apocalyptic number.

53805889923691 is a deficient number, since it is larger than the sum of its proper divisors (1).

53805889923691 is an equidigital number, since it uses as much as digits as its factorization.

53805889923691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1007769600, while the sum is 76.

The spelling of 53805889923691 in words is "fifty-three trillion, eight hundred five billion, eight hundred eighty-nine million, nine hundred twenty-three thousand, six hundred ninety-one".