5516561625 has 32 divisors (see below), whose sum is σ = 9719543808. Its totient is φ = 2769094400.

The previous prime is 5516561623. The next prime is 5516561629. The reversal of 5516561625 is 5261656155.

It is not a de Polignac number, because 5516561625 - 2¹ = 5516561623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5516561623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426297 + ... + 439046.

It is an arithmetic number, because the mean of its divisors is an integer number (303735744).

Almost surely, 2^5516561625 is an apocalyptic number.

It is an amenable number.

5516561625 is a deficient number, since it is larger than the sum of its proper divisors (4202982183).

5516561625 is a wasteful number, since it uses less digits than its factorization.

5516561625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865378 (or 865368 counting only the distinct ones).

The product of its digits is 270000, while the sum is 42.

The square root of 5516561625 is about 74273.5593936362. The cubic root of 5516561625 is about 1766.9441590737.

The spelling of 5516561625 in words is "five billion, five hundred sixteen million, five hundred sixty-one thousand, six hundred twenty-five".