56793786221808 has 960 divisors, whose sum is σ = 178006446858240. Its totient is φ = 16828392701952.

The previous prime is 56793786221801. The next prime is 56793786221857. The reversal of 56793786221808 is 80812268739765.

56793786221808 is a `hidden beast` number, since 5 + 6 + 79 + 378 + 6 + 2 + 2 + 180 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56793786221801) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 193835447710 + ... + 193835448002.

It is an arithmetic number, because the mean of its divisors is an integer number (185423382144).

Almost surely, 2^{56793786221808} 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 56793786221808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89003223429120).

56793786221808 is an abundant number, since it is smaller than the sum of its proper divisors (121212660636432).

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

56793786221808 is a wasteful number, since it uses less digits than its factorization.

56793786221808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 72.

The spelling of 56793786221808 in words is "fifty-six trillion, seven hundred ninety-three billion, seven hundred eighty-six million, two hundred twenty-one thousand, eight hundred eight".