53415809208 has 128 divisors (see below), whose sum is σ = 157975272000. Its totient is φ = 16665108480.

The previous prime is 53415809207. The next prime is 53415809281. The reversal of 53415809208 is 80290851435.

53415809208 is a `hidden beast` number, since 5 + 3 + 41 + 580 + 9 + 20 + 8 = 666.

53415809208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53415809207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 624448 + ... + 704816.

Almost surely, 2^53415809208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53415809208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78987636000).

53415809208 is an abundant number, since it is smaller than the sum of its proper divisors (104559462792).

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

53415809208 is a wasteful number, since it uses less digits than its factorization.

53415809208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80582 (or 80572 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The spelling of 53415809208 in words is "fifty-three billion, four hundred fifteen million, eight hundred nine thousand, two hundred eight".