4455561996056 has 64 divisors (see below), whose sum is σ = 8687305831680. Its totient is φ = 2140477488000.

The previous prime is 4455561996049. The next prime is 4455561996079. The reversal of 4455561996056 is 6506991655544.

It is a junction number, because it is equal to n+sod(n) for n = 4455561995983 and 4455561996001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55262285 + ... + 55342851.

It is an arithmetic number, because the mean of its divisors is an integer number (135739153620).

Almost surely, 2^{4455561996056} is an apocalyptic number.

It is an amenable number.

4455561996056 is a deficient number, since it is larger than the sum of its proper divisors (4231743835624).

4455561996056 is a wasteful number, since it uses less digits than its factorization.

4455561996056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82944 (or 82940 counting only the distinct ones).

The product of its (nonzero) digits is 174960000, while the sum is 65.

The spelling of 4455561996056 in words is "four trillion, four hundred fifty-five billion, five hundred sixty-one million, nine hundred ninety-six thousand, fifty-six".