53403814208 has 28 divisors (see below), whose sum is σ = 107972694900. Its totient is φ = 26198095872.

The previous prime is 53403814207. The next prime is 53403814223. The reversal of 53403814208 is 80241830435.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17048002624 + 36355811584 = 130568^2 + 190672^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53403814207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7868633 + ... + 7875416.

It is an arithmetic number, because the mean of its divisors is an integer number (3856167675).

Almost surely, 2^53403814208 is an apocalyptic number.

It is an amenable number.

53403814208 is an abundant number, since it is smaller than the sum of its proper divisors (54568880692).

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

53403814208 is a wasteful number, since it uses less digits than its factorization.

53403814208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15744114 (or 15744104 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 53403814208 in words is "fifty-three billion, four hundred three million, eight hundred fourteen thousand, two hundred eight".