54818881845 has 64 divisors (see below), whose sum is σ = 107987066880. Its totient is φ = 23124642048.

The previous prime is 54818881787. The next prime is 54818881849.

It is a happy number.

54818881845 is nontrivially palindromic in base 10.

54818881845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54818881845 - 2¹⁰ = 54818880821 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54818881849) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6163992 + ... + 6172878.

It is an arithmetic number, because the mean of its divisors is an integer number (1687297920).

Almost surely, 2^54818881845 is an apocalyptic number.

It is an amenable number.

54818881845 is a deficient number, since it is larger than the sum of its proper divisors (53168185035).

54818881845 is a wasteful number, since it uses less digits than its factorization.

54818881845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13434.

The product of its digits is 13107200, while the sum is 60.

The spelling of 54818881845 in words is "fifty-four billion, eight hundred eighteen million, eight hundred eighty-one thousand, eight hundred forty-five".