6530556 has 24 divisors (see below), whose sum is σ = 15563520. Its totient is φ = 2130352.

The previous prime is 6530519. The next prime is 6530561. The reversal of 6530556 is 6550356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5226 + ... + 6353.

It is an arithmetic number, because the mean of its divisors is an integer number (648480).

Almost surely, 2^6530556 is an apocalyptic number.

It is an amenable number.

6530556 is an abundant number, since it is smaller than the sum of its proper divisors (9032964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6530556 is a wasteful number, since it uses less digits than its factorization.

6530556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11633 (or 11631 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 6530556 is about 2555.4952553272. The cubic root of 6530556 is about 186.9175382557.

The spelling of 6530556 in words is "six million, five hundred thirty thousand, five hundred fifty-six".