54649325728 has 24 divisors (see below), whose sum is σ = 107596127520. Its totient is φ = 27323325120.

The previous prime is 54649325641. The next prime is 54649325741. The reversal of 54649325728 is 82752394645.

It is a happy number.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111653 + ... + 1159771.

It is an arithmetic number, because the mean of its divisors is an integer number (4483171980).

Almost surely, 2^54649325728 is an apocalyptic number.

It is an amenable number.

54649325728 is a deficient number, since it is larger than the sum of its proper divisors (52946801792).

54649325728 is a wasteful number, since it uses less digits than its factorization.

54649325728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83620 (or 83612 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 55.

The spelling of 54649325728 in words is "fifty-four billion, six hundred forty-nine million, three hundred twenty-five thousand, seven hundred twenty-eight".