6557463 has 16 divisors (see below), whose sum is σ = 10598400. Its totient is φ = 3974040.

The previous prime is 6557459. The next prime is 6557471. The reversal of 6557463 is 3647556.

It is not a de Polignac number, because 6557463 - 2² = 6557459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6557423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10743 + ... + 11336.

It is an arithmetic number, because the mean of its divisors is an integer number (662400).

Almost surely, 2^6557463 is an apocalyptic number.

6557463 is a deficient number, since it is larger than the sum of its proper divisors (4040937).

6557463 is a wasteful number, since it uses less digits than its factorization.

6557463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22099 (or 22093 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 6557463 is about 2560.7543810370. The cubic root of 6557463 is about 187.1738971658.

It can be divided in two parts, 655 and 7463, that added together give a palindrome (8118).

The spelling of 6557463 in words is "six million, five hundred fifty-seven thousand, four hundred sixty-three".