53648569208640 has 336 divisors, whose sum is σ = 201882446762112. Its totient is φ = 12031161053184.

The previous prime is 53648569208629. The next prime is 53648569208653. The reversal of 53648569208640 is 4680296584635.

It is a tau number, because it is divible by the number of its divisors (336).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8266204 + ... + 13252443.

Almost surely, 2^{53648569208640} is an apocalyptic number.

It is an amenable number.

53648569208640 is an abundant number, since it is smaller than the sum of its proper divisors (148233877553472).

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

53648569208640 is a wasteful number, since it uses less digits than its factorization.

53648569208640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21518734 (or 21518717 counting only the distinct ones).

The product of its (nonzero) digits is 298598400, while the sum is 66.

The spelling of 53648569208640 in words is "fifty-three trillion, six hundred forty-eight billion, five hundred sixty-nine million, two hundred eight thousand, six hundred forty".