56489644800 has 648 divisors, whose sum is σ = 215883682560. Its totient is φ = 14050713600.

The previous prime is 56489644769. The next prime is 56489644801. The reversal of 56489644800 is 844698465.

It is not an unprimeable number, because it can be changed into a prime (56489644801) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 77702037 + ... + 77702763.

Almost surely, 2^56489644800 is an apocalyptic number.

56489644800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56489644800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107941841280).

56489644800 is an abundant number, since it is smaller than the sum of its proper divisors (159394037760).

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

56489644800 is a wasteful number, since it uses less digits than its factorization.

56489644800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 56489644800 in words is "fifty-six billion, four hundred eighty-nine million, six hundred forty-four thousand, eight hundred".