54728808005 has 8 divisors (see below), whose sum is σ = 66037413624. Its totient is φ = 43541150400.

The previous prime is 54728807933. The next prime is 54728808083. The reversal of 54728808005 is 50080882745.

It can be written as a sum of positive squares in 4 ways, for example, as 237375649 + 54491432356 = 15407^2 + 233434^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-54728808005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30236006 + ... + 30237815.

It is an arithmetic number, because the mean of its divisors is an integer number (8254676703).

Almost surely, 2^54728808005 is an apocalyptic number.

It is an amenable number.

54728808005 is a deficient number, since it is larger than the sum of its proper divisors (11308605619).

54728808005 is a wasteful number, since it uses less digits than its factorization.

54728808005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60474007.

The product of its (nonzero) digits is 716800, while the sum is 47.

The spelling of 54728808005 in words is "fifty-four billion, seven hundred twenty-eight million, eight hundred eight thousand, five".