56580481616 has 10 divisors (see below), whose sum is σ = 109624683162. Its totient is φ = 28290240800.

The previous prime is 56580481553. The next prime is 56580481673. The reversal of 56580481616 is 61618408565.

It can be written as a sum of positive squares in only one way, i.e., 33959118400 + 22621363216 = 184280^2 + 150404^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1768140035 + ... + 1768140066.

Almost surely, 2^56580481616 is an apocalyptic number.

It is an amenable number.

56580481616 is a deficient number, since it is larger than the sum of its proper divisors (53044201546).

56580481616 is a wasteful number, since it uses less digits than its factorization.

56580481616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3536280109 (or 3536280103 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 50.

The spelling of 56580481616 in words is "fifty-six billion, five hundred eighty million, four hundred eighty-one thousand, six hundred sixteen".