54806728668 has 96 divisors (see below), whose sum is σ = 130531860480. Its totient is φ = 17895729600.

The previous prime is 54806728667. The next prime is 54806728679. The reversal of 54806728668 is 86682760845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54806728663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42061305 + ... + 42062607.

It is an arithmetic number, because the mean of its divisors is an integer number (1359706880).

Almost surely, 2^54806728668 is an apocalyptic number.

It is an amenable number.

54806728668 is an abundant number, since it is smaller than the sum of its proper divisors (75725131812).

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

54806728668 is a wasteful number, since it uses less digits than its factorization.

54806728668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767 (or 1765 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 60.

The spelling of 54806728668 in words is "fifty-four billion, eight hundred six million, seven hundred twenty-eight thousand, six hundred sixty-eight".