56803046728 has 8 divisors (see below), whose sum is σ = 106505712630. Its totient is φ = 28401523360.

The previous prime is 56803046719. The next prime is 56803046753. The reversal of 56803046728 is 82764030865.

It can be written as a sum of positive squares in only one way, i.e., 30032196804 + 26770849924 = 173298^2 + 163618^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×56803046728² (a number of 22 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 3550190413 + ... + 3550190428.

Almost surely, 2^56803046728 is an apocalyptic number.

It is an amenable number.

56803046728 is a deficient number, since it is larger than the sum of its proper divisors (49702665902).

56803046728 is a wasteful number, since it uses less digits than its factorization.

56803046728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7100380847 (or 7100380843 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 56803046728 in words is "fifty-six billion, eight hundred three million, forty-six thousand, seven hundred twenty-eight".