5555560521 has 8 divisors (see below), whose sum is σ = 8465616064. Its totient is φ = 3174606000.

The previous prime is 5555560511. The next prime is 5555560523. The reversal of 5555560521 is 1250655555.

5555560521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 5555560521 - 2¹⁰ = 5555559497 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 5555560521.

It is not an unprimeable number, because it can be changed into a prime (5555560523) 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, 132275230 + ... + 132275271.

It is an arithmetic number, because the mean of its divisors is an integer number (1058202008).

Almost surely, 2^5555560521 is an apocalyptic number.

It is an amenable number.

5555560521 is a deficient number, since it is larger than the sum of its proper divisors (2910055543).

5555560521 is a wasteful number, since it uses less digits than its factorization.

5555560521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264550511.

The product of its (nonzero) digits is 187500, while the sum is 39.

The square root of 5555560521 is about 74535.6325591995. The cubic root of 5555560521 is about 1771.0981429614.

The spelling of 5555560521 in words is "five billion, five hundred fifty-five million, five hundred sixty thousand, five hundred twenty-one".