54239391804 has 96 divisors (see below), whose sum is σ = 137313711360. Its totient is φ = 16564635648.

The previous prime is 54239391793. The next prime is 54239391809. The reversal of 54239391804 is 40819393245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54239391809) 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 31 ways as a sum of consecutive naturals, for example, 12498267 + ... + 12502605.

It is an arithmetic number, because the mean of its divisors is an integer number (1430351160).

Almost surely, 2^54239391804 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 54239391804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68656855680).

54239391804 is an abundant number, since it is smaller than the sum of its proper divisors (83074319556).

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

54239391804 is a wasteful number, since it uses less digits than its factorization.

54239391804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4939 (or 4937 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 54239391804 in words is "fifty-four billion, two hundred thirty-nine million, three hundred ninety-one thousand, eight hundred four".