54550120144 has 30 divisors (see below), whose sum is σ = 114446319126. Its totient is φ = 25176977280.

The previous prime is 54550120139. The next prime is 54550120153. The reversal of 54550120144 is 44102105545.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1471489600 + 53078630544 = 38360^2 + 230388^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 10084227 + ... + 10089634.

Almost surely, 2^54550120144 is an apocalyptic number.

It is an amenable number.

54550120144 is an abundant number, since it is smaller than the sum of its proper divisors (59896198982).

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

54550120144 is a wasteful number, since it uses less digits than its factorization.

54550120144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20173895 (or 20173876 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 54550120144 its reverse (44102105545), we get a palindrome (98652225689).

The spelling of 54550120144 in words is "fifty-four billion, five hundred fifty million, one hundred twenty thousand, one hundred forty-four".