54980726528 has 144 divisors (see below), whose sum is σ = 143019334080. Its totient is φ = 20471021568.

The previous prime is 54980726473. The next prime is 54980726617. The reversal of 54980726528 is 82562708945.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326618 + ... + 465446.

It is an arithmetic number, because the mean of its divisors is an integer number (993189820).

Almost surely, 2^54980726528 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 54980726528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71509667040).

54980726528 is an abundant number, since it is smaller than the sum of its proper divisors (88038607552).

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

54980726528 is a wasteful number, since it uses less digits than its factorization.

54980726528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138882 (or 138868 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 56.

The spelling of 54980726528 in words is "fifty-four billion, nine hundred eighty million, seven hundred twenty-six thousand, five hundred twenty-eight".