56949678880 has 192 divisors, whose sum is σ = 143434368000. Its totient is φ = 21307235328.

The previous prime is 56949678871. The next prime is 56949678911. The reversal of 56949678880 is 8887694965.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129725701 + ... + 129726139.

It is an arithmetic number, because the mean of its divisors is an integer number (747054000).

Almost surely, 2^56949678880 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 56949678880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71717184000).

56949678880 is an abundant number, since it is smaller than the sum of its proper divisors (86484689120).

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

56949678880 is a wasteful number, since it uses less digits than its factorization.

56949678880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 70.

The spelling of 56949678880 in words is "fifty-six billion, nine hundred forty-nine million, six hundred seventy-eight thousand, eight hundred eighty".