56516447232 has 528 divisors, whose sum is σ = 204398026560. Its totient is φ = 14665383936.

The previous prime is 56516447219. The next prime is 56516447257. The reversal of 56516447232 is 23274461565.

56516447232 is a `hidden beast` number, since 565 + 1 + 64 + 4 + 7 + 23 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31803528 + ... + 31805304.

Almost surely, 2^56516447232 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 56516447232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102199013280).

56516447232 is an abundant number, since it is smaller than the sum of its proper divisors (147881579328).

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

56516447232 is a wasteful number, since it uses less digits than its factorization.

56516447232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856 (or 1835 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The spelling of 56516447232 in words is "fifty-six billion, five hundred sixteen million, four hundred forty-seven thousand, two hundred thirty-two".