6552262557221 has 8 divisors (see below), whose sum is σ = 6692707130880. Its totient is φ = 6411861097488.

The previous prime is 6552262557149. The next prime is 6552262557223. The reversal of 6552262557221 is 1227552622556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6552262557221 - 2¹⁸ = 6552262295077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6552262557221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6552262557223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10471181 + ... + 11079266.

It is an arithmetic number, because the mean of its divisors is an integer number (836588391360).

Almost surely, 2^{6552262557221} is an apocalyptic number.

It is an amenable number.

6552262557221 is a deficient number, since it is larger than the sum of its proper divisors (140444573659).

6552262557221 is a wasteful number, since it uses less digits than its factorization.

6552262557221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21556963.

The product of its digits is 5040000, while the sum is 50.

The spelling of 6552262557221 in words is "six trillion, five hundred fifty-two billion, two hundred sixty-two million, five hundred fifty-seven thousand, two hundred twenty-one".