54933216138 has 48 divisors (see below), whose sum is σ = 126036630720. Its totient is φ = 17243437248.

The previous prime is 54933216137. The next prime is 54933216167. The reversal of 54933216138 is 83161233945.

54933216138 is a `hidden beast` number, since 5 + 4 + 9 + 3 + 3 + 21 + 613 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 54933216093 and 54933216102.

It is not an unprimeable number, because it can be changed into a prime (54933216131) 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 23 ways as a sum of consecutive naturals, for example, 423795 + ... + 538022.

It is an arithmetic number, because the mean of its divisors is an integer number (2625763140).

Almost surely, 2^54933216138 is an apocalyptic number.

54933216138 is an abundant number, since it is smaller than the sum of its proper divisors (71103414582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54933216138 is a wasteful number, since it uses less digits than its factorization.

54933216138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962011 (or 962008 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The spelling of 54933216138 in words is "fifty-four billion, nine hundred thirty-three million, two hundred sixteen thousand, one hundred thirty-eight".