54128790380 has 24 divisors (see below), whose sum is σ = 129909097248. Its totient is φ = 18558442368.

The previous prime is 54128790379. The next prime is 54128790389. The reversal of 54128790380 is 8309782145.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (54128790389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193316969 + ... + 193317248.

It is an arithmetic number, because the mean of its divisors is an integer number (5412879052).

Almost surely, 2^54128790380 is an apocalyptic number.

It is an amenable number.

54128790380 is an abundant number, since it is smaller than the sum of its proper divisors (75780306868).

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

54128790380 is a wasteful number, since it uses less digits than its factorization.

54128790380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386634233 (or 386634231 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 54128790380 in words is "fifty-four billion, one hundred twenty-eight million, seven hundred ninety thousand, three hundred eighty".