6550005648 has 20 divisors (see below), whose sum is σ = 16920848048. Its totient is φ = 2183335200.

The previous prime is 6550005643. The next prime is 6550005653. The reversal of 6550005648 is 8465000556.

It is an interprime number because it is at equal distance from previous prime (6550005643) and next prime (6550005653).

It is not an unprimeable number, because it can be changed into a prime (6550005643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68229178 + ... + 68229273.

Almost surely, 2^6550005648 is an apocalyptic number.

It is an amenable number.

6550005648 is an abundant number, since it is smaller than the sum of its proper divisors (10370842400).

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

6550005648 is a wasteful number, since it uses less digits than its factorization.

6550005648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136458462 (or 136458456 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 6550005648 is about 80932.1051746462. The cubic root of 6550005648 is about 1871.0291691554.

The spelling of 6550005648 in words is "six billion, five hundred fifty million, five thousand, six hundred forty-eight".