55140000000000 has 528 divisors, whose sum is σ = 183955074357600. Its totient is φ = 14688000000000.

The previous prime is 55139999999999. The next prime is 55140000000047. The reversal of 55140000000000 is 4155.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 55139999999898 and 55139999999907.

It is an unprimeable number.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 59999999541 + ... + 60000000459.

Almost surely, 2^{55140000000000} is an apocalyptic number.

55140000000000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55140000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91977537178800).

55140000000000 is an abundant number, since it is smaller than the sum of its proper divisors (128815074357600).

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

55140000000000 is an frugal number, since it uses more digits than its factorization.

55140000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

Adding to 55140000000000 its reverse (4155), we get a palindrome (55140000004155).

The spelling of 55140000000000 in words is "fifty-five trillion, one hundred forty billion", and thus it is an aban number.