56550568648 has 64 divisors (see below), whose sum is σ = 126499968000. Its totient is φ = 23172781632.

The previous prime is 56550568643. The next prime is 56550568687. The reversal of 56550568648 is 84686505565.

It is a super-3 number, since 3×56550568648³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56550568592 and 56550568601.

It is not an unprimeable number, because it can be changed into a prime (56550568643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3777963 + ... + 3792901.

It is an arithmetic number, because the mean of its divisors is an integer number (1976562000).

Almost surely, 2^56550568648 is an apocalyptic number.

It is an amenable number.

56550568648 is an abundant number, since it is smaller than the sum of its proper divisors (69949399352).

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

56550568648 is a wasteful number, since it uses less digits than its factorization.

56550568648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17914 (or 17910 counting only the distinct ones).

The product of its (nonzero) digits is 34560000, while the sum is 58.

The spelling of 56550568648 in words is "fifty-six billion, five hundred fifty million, five hundred sixty-eight thousand, six hundred forty-eight".