53613503806840 has 128 divisors (see below), whose sum is σ = 121553091000000. Its totient is φ = 21282070118400.

The previous prime is 53613503806801. The next prime is 53613503806843. The reversal of 53613503806840 is 4860830531635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53613503806843) 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, 4816588075 + ... + 4816599205.

Almost surely, 2^{53613503806840} is an apocalyptic number.

It is an amenable number.

53613503806840 is an abundant number, since it is smaller than the sum of its proper divisors (67939587193160).

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

53613503806840 is a wasteful number, since it uses less digits than its factorization.

53613503806840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13041 (or 13037 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 53613503806840 in words is "fifty-three trillion, six hundred thirteen billion, five hundred three million, eight hundred six thousand, eight hundred forty".