54585889691 has 12 divisors (see below), whose sum is σ = 56339717280. Its totient is φ = 52877828640.

The previous prime is 54585889663. The next prime is 54585889693. The reversal of 54585889691 is 19698858545.

It is a de Polignac number, because none of the positive numbers 2^k-54585889691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54585889693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98921 + ... + 344901.

It is an arithmetic number, because the mean of its divisors is an integer number (4694976440).

Almost surely, 2^54585889691 is an apocalyptic number.

54585889691 is a deficient number, since it is larger than the sum of its proper divisors (1753827589).

54585889691 is an equidigital number, since it uses as much as digits as its factorization.

54585889691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246166 (or 246113 counting only the distinct ones).

The product of its digits is 124416000, while the sum is 68.

The spelling of 54585889691 in words is "fifty-four billion, five hundred eighty-five million, eight hundred eighty-nine thousand, six hundred ninety-one".