6555560451 has 48 divisors (see below), whose sum is σ = 10181324160. Its totient is φ = 3708094720.

The previous prime is 6555560447. The next prime is 6555560471. The reversal of 6555560451 is 1540655556.

It is not a de Polignac number, because 6555560451 - 2² = 6555560447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6555560471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15645520 + ... + 15645938.

It is an arithmetic number, because the mean of its divisors is an integer number (212110920).

Almost surely, 2^6555560451 is an apocalyptic number.

6555560451 is a deficient number, since it is larger than the sum of its proper divisors (3625763709).

6555560451 is a wasteful number, since it uses less digits than its factorization.

6555560451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 42.

The square root of 6555560451 is about 80966.4155746072. The cubic root of 6555560451 is about 1871.5579352035.

The spelling of 6555560451 in words is "six billion, five hundred fifty-five million, five hundred sixty thousand, four hundred fifty-one".