6555663057 has 4 divisors (see below), whose sum is σ = 8740884080. Its totient is φ = 4370442036.

The previous prime is 6555663041. The next prime is 6555663077. The reversal of 6555663057 is 7503665556.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6555663057 - 2⁴ = 6555663041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6555662997 and 6555663015.

It is not an unprimeable number, because it can be changed into a prime (6555663017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092610507 + ... + 1092610512.

It is an arithmetic number, because the mean of its divisors is an integer number (2185221020).

Almost surely, 2^6555663057 is an apocalyptic number.

It is an amenable number.

6555663057 is a deficient number, since it is larger than the sum of its proper divisors (2185221023).

6555663057 is a wasteful number, since it uses less digits than its factorization.

6555663057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185221022.

The product of its (nonzero) digits is 2835000, while the sum is 48.

The square root of 6555663057 is about 80967.0492052168. The cubic root of 6555663057 is about 1871.5676995388.

The spelling of 6555663057 in words is "six billion, five hundred fifty-five million, six hundred sixty-three thousand, fifty-seven".