6550601505 has 24 divisors (see below), whose sum is σ = 12192141312. Its totient is φ = 2994560352.

The previous prime is 6550601441. The next prime is 6550601507. The reversal of 6550601505 is 5051060556.

6550601505 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6550601505 - 2⁶ = 6550601441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6550601507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4455457 + ... + 4456926.

It is an arithmetic number, because the mean of its divisors is an integer number (508005888).

Almost surely, 2^6550601505 is an apocalyptic number.

It is an amenable number.

6550601505 is a deficient number, since it is larger than the sum of its proper divisors (5641539807).

6550601505 is a wasteful number, since it uses less digits than its factorization.

6550601505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8912405 (or 8912398 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 6550601505 is about 80935.7863061823. The cubic root of 6550601505 is about 1871.0859035606.

The spelling of 6550601505 in words is "six billion, five hundred fifty million, six hundred one thousand, five hundred five".