53631856992 has 96 divisors (see below), whose sum is σ = 161029596672. Its totient is φ = 15310623744.

The previous prime is 53631856973. The next prime is 53631856997. The reversal of 53631856992 is 29965813635.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53631856997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789228 + ... + 854484.

It is an arithmetic number, because the mean of its divisors is an integer number (1677391632).

Almost surely, 2^53631856992 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 53631856992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80514798336).

53631856992 is an abundant number, since it is smaller than the sum of its proper divisors (107397739680).

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

53631856992 is a wasteful number, since it uses less digits than its factorization.

53631856992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66500 (or 66492 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 57.

The spelling of 53631856992 in words is "fifty-three billion, six hundred thirty-one million, eight hundred fifty-six thousand, nine hundred ninety-two".