56423545531584 has 1344 divisors, whose sum is σ = 210127048335360. Its totient is φ = 13150446059520.

The previous prime is 56423545531403. The next prime is 56423545531631. The reversal of 56423545531584 is 48513554532465.

It is a tau number, because it is divible by the number of its divisors (1344).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4658092312 + ... + 4658104424.

Almost surely, 2^{56423545531584} 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 56423545531584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105063524167680).

56423545531584 is an abundant number, since it is smaller than the sum of its proper divisors (153703502803776).

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

56423545531584 is a wasteful number, since it uses less digits than its factorization.

56423545531584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12298 (or 12281 counting only the distinct ones).

The product of its digits is 172800000, while the sum is 60.

The spelling of 56423545531584 in words is "fifty-six trillion, four hundred twenty-three billion, five hundred forty-five million, five hundred thirty-one thousand, five hundred eighty-four".