6557063 has 4 divisors (see below), whose sum is σ = 6649488. Its totient is φ = 6464640.

The previous prime is 6557059. The next prime is 6557077. The reversal of 6557063 is 3607556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6557063 - 2² = 6557059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6557003) 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, 46106 + ... + 46247.

It is an arithmetic number, because the mean of its divisors is an integer number (1662372).

Almost surely, 2^6557063 is an apocalyptic number.

6557063 is a deficient number, since it is larger than the sum of its proper divisors (92425).

6557063 is an equidigital number, since it uses as much as digits as its factorization.

6557063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92424.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 6557063 is about 2560.6762778610. The cubic root of 6557063 is about 187.1700912691.

The spelling of 6557063 in words is "six million, five hundred fifty-seven thousand, sixty-three".