5525997985 has 16 divisors (see below), whose sum is σ = 7100168400. Its totient is φ = 4113995776.

The previous prime is 5525997977. The next prime is 5525998007. The reversal of 5525997985 is 5897995255.

It can be written as a sum of positive squares in 8 ways, for example, as 58430736 + 5467567249 = 7644^2 + 73943^2 .

It is a cyclic number.

It is not a de Polignac number, because 5525997985 - 2³ = 5525997977 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357670 + ... + 372799.

It is an arithmetic number, because the mean of its divisors is an integer number (443760525).

Almost surely, 2^5525997985 is an apocalyptic number.

It is an amenable number.

5525997985 is a deficient number, since it is larger than the sum of its proper divisors (1574170415).

5525997985 is a wasteful number, since it uses less digits than its factorization.

5525997985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730580.

The product of its digits is 51030000, while the sum is 64.

The square root of 5525997985 is about 74337.0566070516. The cubic root of 5525997985 is about 1767.9510678678.

The spelling of 5525997985 in words is "five billion, five hundred twenty-five million, nine hundred ninety-seven thousand, nine hundred eighty-five".