56143313216 has 56 divisors (see below), whose sum is σ = 112788313920. Its totient is φ = 27724928000.

The previous prime is 56143313209. The next prime is 56143313227. The reversal of 56143313216 is 61231334165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5525741 + ... + 5535891.

Almost surely, 2^56143313216 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 56143313216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56394156960).

56143313216 is an abundant number, since it is smaller than the sum of its proper divisors (56645000704).

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

56143313216 is a wasteful number, since it uses less digits than its factorization.

56143313216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11223 (or 11213 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The spelling of 56143313216 in words is "fifty-six billion, one hundred forty-three million, three hundred thirteen thousand, two hundred sixteen".