54445747161 has 16 divisors (see below), whose sum is σ = 78937529216. Its totient is φ = 33179780736.

The previous prime is 54445747087. The next prime is 54445747171. The reversal of 54445747161 is 16174754445.

It is not a de Polignac number, because 54445747161 - 2⁷ = 54445747033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54445747161.

It is not an unprimeable number, because it can be changed into a prime (54445747171) 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 15 ways as a sum of consecutive naturals, for example, 6772900 + ... + 6780933.

It is an arithmetic number, because the mean of its divisors is an integer number (4933595576).

Almost surely, 2^54445747161 is an apocalyptic number.

It is an amenable number.

54445747161 is a deficient number, since it is larger than the sum of its proper divisors (24491782055).

54445747161 is a wasteful number, since it uses less digits than its factorization.

54445747161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13553952.

The product of its digits is 1881600, while the sum is 48.

The spelling of 54445747161 in words is "fifty-four billion, four hundred forty-five million, seven hundred forty-seven thousand, one hundred sixty-one".