53906527691 has 2 divisors, whose sum is σ = 53906527692. Its totient is φ = 53906527690.

The previous prime is 53906527669. The next prime is 53906527721. The reversal of 53906527691 is 19672560935.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53906527691 is a prime.

It is not a weakly prime, because it can be changed into another prime (53906527601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26953263845 + 26953263846.

It is an arithmetic number, because the mean of its divisors is an integer number (26953263846).

Almost surely, 2^53906527691 is an apocalyptic number.

53906527691 is a deficient number, since it is larger than the sum of its proper divisors (1).

53906527691 is an equidigital number, since it uses as much as digits as its factorization.

53906527691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3061800, while the sum is 53.

The spelling of 53906527691 in words is "fifty-three billion, nine hundred six million, five hundred twenty-seven thousand, six hundred ninety-one".