6552220055515 has 4 divisors (see below), whose sum is σ = 7862664066624. Its totient is φ = 5241776044408.

The previous prime is 6552220055503. The next prime is 6552220055519. The reversal of 6552220055515 is 5155500222556.

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

It is a cyclic number.

It is not a de Polignac number, because 6552220055515 - 2⁵ = 6552220055483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6552220055519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655222005547 + ... + 655222005556.

It is an arithmetic number, because the mean of its divisors is an integer number (1965666016656).

Almost surely, 2^{6552220055515} is an apocalyptic number.

6552220055515 is a deficient number, since it is larger than the sum of its proper divisors (1310444011109).

6552220055515 is a wasteful number, since it uses less digits than its factorization.

6552220055515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310444011108.

The product of its (nonzero) digits is 750000, while the sum is 43.

The spelling of 6552220055515 in words is "six trillion, five hundred fifty-two billion, two hundred twenty million, fifty-five thousand, five hundred fifteen".