6551585507 has 2 divisors, whose sum is σ = 6551585508. Its totient is φ = 6551585506.

The previous prime is 6551585503. The next prime is 6551585549. The reversal of 6551585507 is 7055851556.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6551585507 - 2² = 6551585503 is a prime.

It is not a weakly prime, because it can be changed into another prime (6551585503) by changing a digit.

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 as a sum of consecutive naturals, namely, 3275792753 + 3275792754.

It is an arithmetic number, because the mean of its divisors is an integer number (3275792754).

Almost surely, 2^6551585507 is an apocalyptic number.

6551585507 is a deficient number, since it is larger than the sum of its proper divisors (1).

6551585507 is an equidigital number, since it uses as much as digits as its factorization.

6551585507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050000, while the sum is 47.

The square root of 6551585507 is about 80941.8649834559. The cubic root of 6551585507 is about 1871.1795875827.

The spelling of 6551585507 in words is "six billion, five hundred fifty-one million, five hundred eighty-five thousand, five hundred seven".