53631822999680 has 64 divisors (see below), whose sum is σ = 128234767944600. Its totient is φ = 21449183502336.

The previous prime is 53631822999589. The next prime is 53631822999683. The reversal of 53631822999680 is 8699922813635.

It can be written as a sum of positive squares in 4 ways, for example, as 47408953493056 + 6222869506624 = 6885416^2 + 2494568^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (53631822999683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3048245 + ... + 10796084.

Almost surely, 2^{53631822999680} is an apocalyptic number.

It is an amenable number.

53631822999680 is an abundant number, since it is smaller than the sum of its proper divisors (74602944944920).

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

53631822999680 is a wasteful number, since it uses less digits than its factorization.

53631822999680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13850401 (or 13850389 counting only the distinct ones).

The product of its (nonzero) digits is 302330880, while the sum is 71.

The spelling of 53631822999680 in words is "fifty-three trillion, six hundred thirty-one billion, eight hundred twenty-two million, nine hundred ninety-nine thousand, six hundred eighty".