6555051272 has 128 divisors (see below), whose sum is σ = 15717335040. Its totient is φ = 2488769280.

The previous prime is 6555051257. The next prime is 6555051323. The reversal of 6555051272 is 2721505556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10798793 + ... + 10799399.

It is an arithmetic number, because the mean of its divisors is an integer number (122791680).

Almost surely, 2^6555051272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6555051272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7858667520).

6555051272 is an abundant number, since it is smaller than the sum of its proper divisors (9162283768).

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

6555051272 is a wasteful number, since it uses less digits than its factorization.

6555051272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 38.

The square root of 6555051272 is about 80963.2711295684. The cubic root of 6555051272 is about 1871.5094784937.

The spelling of 6555051272 in words is "six billion, five hundred fifty-five million, fifty-one thousand, two hundred seventy-two".