56028783616 has 99 divisors (see below), whose sum is σ = 121494716931. Its totient is φ = 25813991424.

The previous prime is 56028783571. The next prime is 56028783637. The reversal of 56028783616 is 61638782065.

The square root of 56028783616 is 236704.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 26477798400 + 29550985216 = 162720^2 + 171904^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 98468580 + ... + 98469148.

Almost surely, 2^56028783616 is an apocalyptic number.

56028783616 is the 236704-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56028783616

56028783616 is an abundant number, since it is smaller than the sum of its proper divisors (65465933315).

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

56028783616 is an frugal number, since it uses more digits than its factorization.

56028783616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 56028783616 in words is "fifty-six billion, twenty-eight million, seven hundred eighty-three thousand, six hundred sixteen".