6615056550 has 96 divisors (see below), whose sum is σ = 16838565120. Its totient is φ = 1718006400.

The previous prime is 6615056537. The next prime is 6615056599. The reversal of 6615056550 is 556505166.

It is a junction number, because it is equal to n+sod(n) for n = 6615056499 and 6615056508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 938941 + ... + 945959.

It is an arithmetic number, because the mean of its divisors is an integer number (175401720).

Almost surely, 2^6615056550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6615056550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8419282560).

6615056550 is an abundant number, since it is smaller than the sum of its proper divisors (10223508570).

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

6615056550 is a wasteful number, since it uses less digits than its factorization.

6615056550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7198 (or 7193 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 6615056550 is about 81332.9979159750. The cubic root of 6615056550 is about 1877.2027729198.

The spelling of 6615056550 in words is "six billion, six hundred fifteen million, fifty-six thousand, five hundred fifty".