54808695847 has 2 divisors, whose sum is σ = 54808695848. Its totient is φ = 54808695846.

The previous prime is 54808695833. The next prime is 54808695859. The reversal of 54808695847 is 74859680845.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54808695847 - 2¹¹ = 54808693799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54808695817) 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, 27404347923 + 27404347924.

It is an arithmetic number, because the mean of its divisors is an integer number (27404347924).

Almost surely, 2^54808695847 is an apocalyptic number.

54808695847 is a deficient number, since it is larger than the sum of its proper divisors (1).

54808695847 is an equidigital number, since it uses as much as digits as its factorization.

54808695847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77414400, while the sum is 64.

The spelling of 54808695847 in words is "fifty-four billion, eight hundred eight million, six hundred ninety-five thousand, eight hundred forty-seven".