6556133 has 4 divisors (see below), whose sum is σ = 6623820. Its totient is φ = 6488448.

The previous prime is 6556111. The next prime is 6556201. The reversal of 6556133 is 3316556.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3232804 + 3323329 = 1798^2 + 1823^2 .

It is a cyclic number.

It is not a de Polignac number, because 6556133 - 2¹⁶ = 6490597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6556096 and 6556105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6558133) 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, 33698 + ... + 33891.

It is an arithmetic number, because the mean of its divisors is an integer number (1655955).

Almost surely, 2^6556133 is an apocalyptic number.

It is an amenable number.

6556133 is a deficient number, since it is larger than the sum of its proper divisors (67687).

6556133 is an equidigital number, since it uses as much as digits as its factorization.

6556133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67686.

The product of its digits is 8100, while the sum is 29.

The square root of 6556133 is about 2560.4946787681. The cubic root of 6556133 is about 187.1612419608.

The spelling of 6556133 in words is "six million, five hundred fifty-six thousand, one hundred thirty-three".