53728355382736 has 10 divisors (see below), whose sum is σ = 104098688554082. Its totient is φ = 26864177691360.

The previous prime is 53728355382731. The next prime is 53728355382763. The reversal of 53728355382736 is 63728355382735.

It can be written as a sum of positive squares in only one way, i.e., 26934480744336 + 26793874638400 = 5189844^2 + 5176280^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53728355382731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1679011105695 + ... + 1679011105726.

Almost surely, 2^{53728355382736} is an apocalyptic number.

It is an amenable number.

53728355382736 is a deficient number, since it is larger than the sum of its proper divisors (50370333171346).

53728355382736 is a wasteful number, since it uses less digits than its factorization.

53728355382736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358022211429 (or 3358022211423 counting only the distinct ones).

The product of its digits is 762048000, while the sum is 67.

Subtracting 53728355382736 from its reverse (63728355382735), we obtain a palindrome (9999999999999).

The spelling of 53728355382736 in words is "fifty-three trillion, seven hundred twenty-eight billion, three hundred fifty-five million, three hundred eighty-two thousand, seven hundred thirty-six".