5565649850 has 12 divisors (see below), whose sum is σ = 10352108814. Its totient is φ = 2226259920.

The previous prime is 5565649847. The next prime is 5565649861. The reversal of 5565649850 is 589465655.

It can be written as a sum of positive squares in 3 ways, for example, as 4317935521 + 1247714329 = 65711^2 + 35323^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5565649792 and 5565649801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55656449 + ... + 55656548.

Almost surely, 2^5565649850 is an apocalyptic number.

5565649850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5565649850 is a deficient number, since it is larger than the sum of its proper divisors (4786458964).

5565649850 is a wasteful number, since it uses less digits than its factorization.

5565649850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111313009 (or 111313004 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 53.

The square root of 5565649850 is about 74603.2831046999. The cubic root of 5565649850 is about 1772.1696451323.

The spelling of 5565649850 in words is "five billion, five hundred sixty-five million, six hundred forty-nine thousand, eight hundred fifty".