10505560550 has 48 divisors (see below), whose sum is σ = 21357240192. Its totient is φ = 3827443200.

The previous prime is 10505560543. The next prime is 10505560621. The reversal of 10505560550 is 5506550501.

It is a super-2 number, since 2×10505560550² (a number of 21 digits) contains 22 as substring.

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, 172997 + ... + 225696.

It is an arithmetic number, because the mean of its divisors is an integer number (444942504).

Almost surely, 2^10505560550 is an apocalyptic number.

10505560550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10505560550 is an abundant number, since it is smaller than the sum of its proper divisors (10851679642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10505560550 is a wasteful number, since it uses less digits than its factorization.

10505560550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398753 (or 398748 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 10505560550 in words is "ten billion, five hundred five million, five hundred sixty thousand, five hundred fifty".