5565051521 has 8 divisors (see below), whose sum is σ = 5776313088. Its totient is φ = 5355774000.

The previous prime is 5565051487. The next prime is 5565051523. The reversal of 5565051521 is 1251505655.

It is a happy number.

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 5565051521 - 2¹⁴ = 5565035137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5565051523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490295 + ... + 501516.

It is an arithmetic number, because the mean of its divisors is an integer number (722039136).

Almost surely, 2^5565051521 is an apocalyptic number.

It is an amenable number.

5565051521 is a deficient number, since it is larger than the sum of its proper divisors (211261567).

5565051521 is a wasteful number, since it uses less digits than its factorization.

5565051521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992023.

The product of its (nonzero) digits is 37500, while the sum is 35.

The square root of 5565051521 is about 74599.2729254113. The cubic root of 5565051521 is about 1772.1061378140.

The spelling of 5565051521 in words is "five billion, five hundred sixty-five million, fifty-one thousand, five hundred twenty-one".