54563720860 has 144 divisors (see below), whose sum is σ = 129547778976. Its totient is φ = 19133440000.

The previous prime is 54563720707. The next prime is 54563720873. The reversal of 54563720860 is 6802736545.

It is a self number, because there is not a number n which added to its sum of digits gives 54563720860.

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, 92012724 + ... + 92013316.

It is an arithmetic number, because the mean of its divisors is an integer number (899637354).

Almost surely, 2^54563720860 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 54563720860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64773889488).

54563720860 is an abundant number, since it is smaller than the sum of its proper divisors (74984058116).

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

54563720860 is a wasteful number, since it uses less digits than its factorization.

54563720860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 54563720860 in words is "fifty-four billion, five hundred sixty-three million, seven hundred twenty thousand, eight hundred sixty".