56223065780736 has 40 divisors (see below), whose sum is σ = 149781761185584. Its totient is φ = 18741021926400.

The previous prime is 56223065780663. The next prime is 56223065780771. The reversal of 56223065780736 is 63708756032265.

It is a super-2 number, since 2×56223065780736² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56223065780736.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18301777690 + ... + 18301780761.

Almost surely, 2^{56223065780736} is an apocalyptic number.

It is an amenable number.

56223065780736 is an abundant number, since it is smaller than the sum of its proper divisors (93558695404848).

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

56223065780736 is an equidigital number, since it uses as much as digits as its factorization.

56223065780736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36603558472 (or 36603558456 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 60.

The spelling of 56223065780736 in words is "fifty-six trillion, two hundred twenty-three billion, sixty-five million, seven hundred eighty thousand, seven hundred thirty-six".