53280628728668 has 24 divisors (see below), whose sum is σ = 101859034878720. Its totient is φ = 24184784046320.

The previous prime is 53280628728667. The next prime is 53280628728673. The reversal of 53280628728668 is 86682782608235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53280628728667) 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, 842056946 + ... + 842120217.

It is an arithmetic number, because the mean of its divisors is an integer number (4244126453280).

Almost surely, 2^{53280628728668} is an apocalyptic number.

It is an amenable number.

53280628728668 is a deficient number, since it is larger than the sum of its proper divisors (48578406150052).

53280628728668 is a wasteful number, since it uses less digits than its factorization.

53280628728668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684177897 (or 1684177895 counting only the distinct ones).

The product of its (nonzero) digits is 743178240, while the sum is 71.

The spelling of 53280628728668 in words is "fifty-three trillion, two hundred eighty billion, six hundred twenty-eight million, seven hundred twenty-eight thousand, six hundred sixty-eight".