5561887653 has 16 divisors (see below), whose sum is σ = 9416952960. Its totient is φ = 3178221408.

The previous prime is 5561887649. The next prime is 5561887673. The reversal of 5561887653 is 3567881655.

5561887653 is a `hidden beast` number, since 5 + 561 + 8 + 8 + 76 + 5 + 3 = 666.

It is not a de Polignac number, because 5561887653 - 2² = 5561887649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5561887653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561887673) 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 15 ways as a sum of consecutive naturals, for example, 14713800 + ... + 14714177.

It is an arithmetic number, because the mean of its divisors is an integer number (588559560).

Almost surely, 2^5561887653 is an apocalyptic number.

It is an amenable number.

5561887653 is a deficient number, since it is larger than the sum of its proper divisors (3855065307).

5561887653 is a wasteful number, since it uses less digits than its factorization.

5561887653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29427993 (or 29427987 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 54.

The square root of 5561887653 is about 74578.0641542806. The cubic root of 5561887653 is about 1771.7702455804.

The spelling of 5561887653 in words is "five billion, five hundred sixty-one million, eight hundred eighty-seven thousand, six hundred fifty-three".