56635781548 has 12 divisors (see below), whose sum is σ = 99124095672. Its totient is φ = 28314611360.

The previous prime is 56635781513. The next prime is 56635781567. The reversal of 56635781548 is 84518753665.

It is a super-2 number, since 2×56635781548² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56635781492 and 56635781501.

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 3 ways as a sum of consecutive naturals, for example, 780790 + ... + 850237.

It is an arithmetic number, because the mean of its divisors is an integer number (8260341306).

Almost surely, 2^56635781548 is an apocalyptic number.

It is an amenable number.

56635781548 is a deficient number, since it is larger than the sum of its proper divisors (42488314124).

56635781548 is a wasteful number, since it uses less digits than its factorization.

56635781548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639712 (or 1639710 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 58.

The spelling of 56635781548 in words is "fifty-six billion, six hundred thirty-five million, seven hundred eighty-one thousand, five hundred forty-eight".