54534432161 has 16 divisors (see below), whose sum is σ = 61578682368. Its totient is φ = 47846667600.

The previous prime is 54534432151. The next prime is 54534432163. The reversal of 54534432161 is 16123443545.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54534432161 is a prime.

It is a super-2 number, since 2×54534432161² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54534432163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92735 + ... + 343028.

It is an arithmetic number, because the mean of its divisors is an integer number (3848667648).

Almost surely, 2^54534432161 is an apocalyptic number.

It is an amenable number.

54534432161 is a deficient number, since it is larger than the sum of its proper divisors (7044250207).

54534432161 is a wasteful number, since it uses less digits than its factorization.

54534432161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436172.

The product of its digits is 172800, while the sum is 38.

The spelling of 54534432161 in words is "fifty-four billion, five hundred thirty-four million, four hundred thirty-two thousand, one hundred sixty-one".