56028955648 has 22 divisors (see below), whose sum is σ = 112003197566. Its totient is φ = 28014477312.

The previous prime is 56028955597. The next prime is 56028955649. The reversal of 56028955648 is 84655982065.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 44079842304 + 11949113344 = 209952^2 + 109312^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56028955592 and 56028955601.

It is not an unprimeable number, because it can be changed into a prime (56028955649) by changing a digit.

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 as a sum of consecutive naturals, namely, 27356865 + ... + 27358912.

Almost surely, 2^56028955648 is an apocalyptic number.

It is an amenable number.

56028955648 is a deficient number, since it is larger than the sum of its proper divisors (55974241918).

56028955648 is an equidigital number, since it uses as much as digits as its factorization.

56028955648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54715797 (or 54715779 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 58.

The spelling of 56028955648 in words is "fifty-six billion, twenty-eight million, nine hundred fifty-five thousand, six hundred forty-eight".