6550566500 has 48 divisors (see below), whose sum is σ = 14508014976. Its totient is φ = 2583308000.

The previous prime is 6550566493. The next prime is 6550566577. The reversal of 6550566500 is 56650556.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56762 + ... + 127761.

It is an arithmetic number, because the mean of its divisors is an integer number (302250312).

Almost surely, 2^6550566500 is an apocalyptic number.

It is an amenable number.

6550566500 is an abundant number, since it is smaller than the sum of its proper divisors (7957448476).

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

6550566500 is a wasteful number, since it uses less digits than its factorization.

6550566500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184613 (or 184601 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 6550566500 is about 80935.5700542104. The cubic root of 6550566500 is about 1871.0825706616.

The spelling of 6550566500 in words is "six billion, five hundred fifty million, five hundred sixty-six thousand, five hundred".