53728166803 has 8 divisors (see below), whose sum is σ = 55625400000. Its totient is φ = 51833902848.

The previous prime is 53728166729. The next prime is 53728166809. The reversal of 53728166803 is 30866182735.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53728166803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53728166809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705451 + ... + 777892.

It is an arithmetic number, because the mean of its divisors is an integer number (6953175000).

Almost surely, 2^53728166803 is an apocalyptic number.

53728166803 is a deficient number, since it is larger than the sum of its proper divisors (1897233197).

53728166803 is a wasteful number, since it uses less digits than its factorization.

53728166803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484621.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 53728166803 in words is "fifty-three billion, seven hundred twenty-eight million, one hundred sixty-six thousand, eight hundred three".