53647485691 has 2 divisors, whose sum is σ = 53647485692. Its totient is φ = 53647485690.

The previous prime is 53647485673. The next prime is 53647485733. The reversal of 53647485691 is 19658474635.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53647485691 - 2⁵ = 53647485659 is a prime.

It is a super-3 number, since 3×53647485691³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (53647485601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26823742845 + 26823742846.

It is an arithmetic number, because the mean of its divisors is an integer number (26823742846).

Almost surely, 2^53647485691 is an apocalyptic number.

53647485691 is a deficient number, since it is larger than the sum of its proper divisors (1).

53647485691 is an equidigital number, since it uses as much as digits as its factorization.

53647485691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21772800, while the sum is 58.

The spelling of 53647485691 in words is "fifty-three billion, six hundred forty-seven million, four hundred eighty-five thousand, six hundred ninety-one".