6550025636 has 24 divisors (see below), whose sum is σ = 14290965696. Its totient is φ = 2551957920.

The previous prime is 6550025627. The next prime is 6550025663. The reversal of 6550025636 is 6365200556.

It is a self number, because there is not a number n which added to its sum of digits gives 6550025636.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10632851 + ... + 10633466.

It is an arithmetic number, because the mean of its divisors is an integer number (595456904).

Almost surely, 2^6550025636 is an apocalyptic number.

It is an amenable number.

6550025636 is an abundant number, since it is smaller than the sum of its proper divisors (7740940060).

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

6550025636 is a wasteful number, since it uses less digits than its factorization.

6550025636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21266339 (or 21266337 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 38.

The square root of 6550025636 is about 80932.2286607752. The cubic root of 6550025636 is about 1871.0310723646.

The spelling of 6550025636 in words is "six billion, five hundred fifty million, twenty-five thousand, six hundred thirty-six".