5665560616550 has 48 divisors (see below), whose sum is σ = 10548863829504. Its totient is φ = 2263876500000.

The previous prime is 5665560616531. The next prime is 5665560616567. The reversal of 5665560616550 is 556160655665.

It is a super-2 number, since 2×5665560616550² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403207025 + ... + 403221075.

It is an arithmetic number, because the mean of its divisors is an integer number (219767996448).

Almost surely, 2^{5665560616550} is an apocalyptic number.

5665560616550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5665560616550 is a deficient number, since it is larger than the sum of its proper divisors (4883303212954).

5665560616550 is a wasteful number, since it uses less digits than its factorization.

5665560616550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21845 (or 21840 counting only the distinct ones).

The product of its (nonzero) digits is 24300000, while the sum is 56.

The spelling of 5665560616550 in words is "five trillion, six hundred sixty-five billion, five hundred sixty million, six hundred sixteen thousand, five hundred fifty".