54842864181 has 16 divisors (see below), whose sum is σ = 86265888768. Its totient is φ = 30327850800.

The previous prime is 54842864177. The next prime is 54842864183. The reversal of 54842864181 is 18146824845.

54842864181 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 54842864181 - 2² = 54842864177 is a prime.

It is a super-2 number, since 2×54842864181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54842864183) 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, 42121365 + ... + 42122666.

It is an arithmetic number, because the mean of its divisors is an integer number (5391618048).

Almost surely, 2^54842864181 is an apocalyptic number.

It is an amenable number.

54842864181 is a deficient number, since it is larger than the sum of its proper divisors (31423024587).

54842864181 is a wasteful number, since it uses less digits than its factorization.

54842864181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84244072.

The product of its digits is 1966080, while the sum is 51.

The spelling of 54842864181 in words is "fifty-four billion, eight hundred forty-two million, eight hundred sixty-four thousand, one hundred eighty-one".