54109333281 has 16 divisors (see below), whose sum is σ = 74628747200. Its totient is φ = 34845432768.

The previous prime is 54109333279. The next prime is 54109333297. The reversal of 54109333281 is 18233390145.

It is a happy number.

It is not a de Polignac number, because 54109333281 - 2¹ = 54109333279 is a prime.

It is a super-2 number, since 2×54109333281² (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 (54109333231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1738066 + ... + 1768923.

It is an arithmetic number, because the mean of its divisors is an integer number (4664296700).

Almost surely, 2^54109333281 is an apocalyptic number.

It is an amenable number.

54109333281 is a deficient number, since it is larger than the sum of its proper divisors (20519413919).

54109333281 is a wasteful number, since it uses less digits than its factorization.

54109333281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507168.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 54109333281 in words is "fifty-four billion, one hundred nine million, three hundred thirty-three thousand, two hundred eighty-one".