54552111553140 has 192 divisors, whose sum is σ = 164061343531008. Its totient is φ = 13494353152000.

The previous prime is 54552111553133. The next prime is 54552111553153. The reversal of 54552111553140 is 4135511125545.

It is a junction number, because it is equal to n+sod(n) for n = 54552111553092 and 54552111553101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 229235215 + ... + 229473065.

It is an arithmetic number, because the mean of its divisors is an integer number (854486164224).

Almost surely, 2^{54552111553140} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54552111553140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82030671765504).

54552111553140 is an abundant number, since it is smaller than the sum of its proper divisors (109509231977868).

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

54552111553140 is a wasteful number, since it uses less digits than its factorization.

54552111553140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241118 (or 241116 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 42.

Adding to 54552111553140 its reverse (4135511125545), we get a palindrome (58687622678685).

The spelling of 54552111553140 in words is "fifty-four trillion, five hundred fifty-two billion, one hundred eleven million, five hundred fifty-three thousand, one hundred forty".