54188447020 has 48 divisors (see below), whose sum is σ = 117627810048. Its totient is φ = 20947380480.

The previous prime is 54188447009. The next prime is 54188447021. The reversal of 54188447020 is 2074488145.

It is not an unprimeable number, because it can be changed into a prime (54188447021) 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 15 ways as a sum of consecutive naturals, for example, 394842 + ... + 514078.

It is an arithmetic number, because the mean of its divisors is an integer number (2450579376).

Almost surely, 2^54188447020 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 54188447020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58813905024).

54188447020 is an abundant number, since it is smaller than the sum of its proper divisors (63439363028).

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

54188447020 is a wasteful number, since it uses less digits than its factorization.

54188447020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120010 (or 120008 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 43.

The spelling of 54188447020 in words is "fifty-four billion, one hundred eighty-eight million, four hundred forty-seven thousand, twenty".