56996816384 has 60 divisors (see below), whose sum is σ = 115671784404. Its totient is φ = 28051279872.

The previous prime is 56996816323. The next prime is 56996816407. The reversal of 56996816384 is 48361869965.

It is a super-3 number, since 3×56996816384³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 56996816384.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44217212 + ... + 44218500.

Almost surely, 2^56996816384 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 56996816384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57835892202).

56996816384 is an abundant number, since it is smaller than the sum of its proper divisors (58674968020).

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

56996816384 is an frugal number, since it uses more digits than its factorization.

56996816384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663 (or 1358 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 65.

The spelling of 56996816384 in words is "fifty-six billion, nine hundred ninety-six million, eight hundred sixteen thousand, three hundred eighty-four".