53356650720128 has 128 divisors (see below), whose sum is σ = 127948182059520. Its totient is φ = 21668492077056.

The previous prime is 53356650720119. The next prime is 53356650720187. The reversal of 53356650720128 is 82102705665335.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 53356650720128.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9893651 + ... + 14303762.

It is an arithmetic number, because the mean of its divisors is an integer number (999595172340).

Almost surely, 2^{53356650720128} is an apocalyptic number.

It is an amenable number.

53356650720128 is an abundant number, since it is smaller than the sum of its proper divisors (74591531339392).

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

53356650720128 is a wasteful number, since it uses less digits than its factorization.

53356650720128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24197564 (or 24197552 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 53.

The spelling of 53356650720128 in words is "fifty-three trillion, three hundred fifty-six billion, six hundred fifty million, seven hundred twenty thousand, one hundred twenty-eight".