54530278920 has 896 divisors, whose sum is σ = 213517987200. Its totient is φ = 12415721472.

The previous prime is 54530278823. The next prime is 54530278927. The reversal of 54530278920 is 2987203545.

54530278920 is a `hidden beast` number, since 5 + 4 + 530 + 27 + 8 + 92 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (54530278927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 482568784 + ... + 482568896.

It is an arithmetic number, because the mean of its divisors is an integer number (238301325).

Almost surely, 2^54530278920 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 54530278920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106758993600).

54530278920 is an abundant number, since it is smaller than the sum of its proper divisors (158987708280).

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

54530278920 is a wasteful number, since it uses less digits than its factorization.

54530278920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 54530278920 in words is "fifty-four billion, five hundred thirty million, two hundred seventy-eight thousand, nine hundred twenty".