55140324120 has 192 divisors, whose sum is σ = 204916158720. Its totient is φ = 12596781312.

The previous prime is 55140324119. The next prime is 55140324133. The reversal of 55140324120 is 2142304155.

55140324120 is a `hidden beast` number, since 5 + 514 + 0 + 3 + 24 + 120 = 666.

55140324120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5909779 + ... + 5919101.

It is an arithmetic number, because the mean of its divisors is an integer number (1067271660).

Almost surely, 2^55140324120 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 55140324120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102458079360).

55140324120 is an abundant number, since it is smaller than the sum of its proper divisors (149775834600).

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

55140324120 is a wasteful number, since it uses less digits than its factorization.

55140324120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11694 (or 11687 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 55140324120 its reverse (2142304155), we get a palindrome (57282628275).

The spelling of 55140324120 in words is "fifty-five billion, one hundred forty million, three hundred twenty-four thousand, one hundred twenty".