5305541985 has 64 divisors (see below), whose sum is σ = 10037952000. Its totient is φ = 2649563136.

The previous prime is 5305541981. The next prime is 5305541993. The reversal of 5305541985 is 5891455035.

5305541985 is a `hidden beast` number, since 5 + 3 + 0 + 554 + 1 + 98 + 5 = 666.

It is not a de Polignac number, because 5305541985 - 2² = 5305541981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5305541985.

It is not an unprimeable number, because it can be changed into a prime (5305541981) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 450897 + ... + 462513.

It is an arithmetic number, because the mean of its divisors is an integer number (156843000).

Almost surely, 2^5305541985 is an apocalyptic number.

It is an amenable number.

5305541985 is a deficient number, since it is larger than the sum of its proper divisors (4732410015).

5305541985 is a wasteful number, since it uses less digits than its factorization.

5305541985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11847 (or 11841 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 45.

The square root of 5305541985 is about 72839.1514571662. The cubic root of 5305541985 is about 1744.1208955529.

The spelling of 5305541985 in words is "five billion, three hundred five million, five hundred forty-one thousand, nine hundred eighty-five".