6551610550 has 12 divisors (see below), whose sum is σ = 12185995716. Its totient is φ = 2620644200.

The previous prime is 6551610521. The next prime is 6551610551. The reversal of 6551610550 is 550161556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6551610551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65516056 + ... + 65516155.

It is an arithmetic number, because the mean of its divisors is an integer number (1015499643).

Almost surely, 2^6551610550 is an apocalyptic number.

6551610550 is a deficient number, since it is larger than the sum of its proper divisors (5634385166).

6551610550 is a wasteful number, since it uses less digits than its factorization.

6551610550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131032223 (or 131032218 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 6551610550 is about 80942.0196807567. The cubic root of 6551610550 is about 1871.1819717329.

The spelling of 6551610550 in words is "six billion, five hundred fifty-one million, six hundred ten thousand, five hundred fifty".