56486447872 has 36 divisors (see below), whose sum is σ = 112769062056. Its totient is φ = 28239011840.

The previous prime is 56486447783. The next prime is 56486447933. The reversal of 56486447872 is 27874468465.

It is a self number, because there is not a number n which added to its sum of digits gives 56486447872.

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, 2388747 + ... + 2412277.

It is an arithmetic number, because the mean of its divisors is an integer number (3132473946).

Almost surely, 2^56486447872 is an apocalyptic number.

It is an amenable number.

56486447872 is a deficient number, since it is larger than the sum of its proper divisors (56282614184).

56486447872 is an equidigital number, since it uses as much as digits as its factorization.

56486447872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32924 (or 32910 counting only the distinct ones).

The product of its digits is 72253440, while the sum is 61.

The spelling of 56486447872 in words is "fifty-six billion, four hundred eighty-six million, four hundred forty-seven thousand, eight hundred seventy-two".