6557007556 has 24 divisors (see below), whose sum is σ = 12529468224. Its totient is φ = 2977709280.

The previous prime is 6557007497. The next prime is 6557007557.

6557007556 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (6557007557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20080 + ... + 116263.

It is an arithmetic number, because the mean of its divisors is an integer number (522061176).

Almost surely, 2^6557007556 is an apocalyptic number.

It is an amenable number.

6557007556 is a deficient number, since it is larger than the sum of its proper divisors (5972460668).

6557007556 is a wasteful number, since it uses less digits than its factorization.

6557007556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137451 (or 137449 counting only the distinct ones).

The product of its (nonzero) digits is 1102500, while the sum is 46.

The square root of 6557007556 is about 80975.3515336612. The cubic root of 6557007556 is about 1871.6956372152.

The spelling of 6557007556 in words is "six billion, five hundred fifty-seven million, seven thousand, five hundred fifty-six".