56889486648 has 64 divisors (see below), whose sum is σ = 158047084800. Its totient is φ = 18960674400.

The previous prime is 56889486637. The next prime is 56889486659. The reversal of 56889486648 is 84668498865.

56889486648 is a `hidden beast` number, since 5 + 6 + 8 + 89 + 486 + 64 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (56889486637) and next prime (56889486659).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2440215 + ... + 2463417.

It is an arithmetic number, because the mean of its divisors is an integer number (2469485700).

Almost surely, 2^56889486648 is an apocalyptic number.

It is an amenable number.

56889486648 is an abundant number, since it is smaller than the sum of its proper divisors (101157598152).

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

56889486648 is a wasteful number, since it uses less digits than its factorization.

56889486648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34569 (or 34559 counting only the distinct ones).

The product of its digits is 637009920, while the sum is 72.

The spelling of 56889486648 in words is "fifty-six billion, eight hundred eighty-nine million, four hundred eighty-six thousand, six hundred forty-eight".