54406441689 has 8 divisors (see below), whose sum is σ = 76359918240. Its totient is φ = 34361963136.

The previous prime is 54406441679. The next prime is 54406441709. The reversal of 54406441689 is 98614460445.

54406441689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54406441689 - 2⁴ = 54406441673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54406441669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477249432 + ... + 477249545.

It is an arithmetic number, because the mean of its divisors is an integer number (9544989780).

Almost surely, 2^54406441689 is an apocalyptic number.

It is an amenable number.

54406441689 is a deficient number, since it is larger than the sum of its proper divisors (21953476551).

54406441689 is a wasteful number, since it uses less digits than its factorization.

54406441689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954498999.

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 54406441689 in words is "fifty-four billion, four hundred six million, four hundred forty-one thousand, six hundred eighty-nine".