10555105550 has 48 divisors (see below), whose sum is σ = 21429771264. Its totient is φ = 3835980000.

The previous prime is 10555105531. The next prime is 10555105573. The reversal of 10555105550 is 5550155501.

It is a super-2 number, since 2×10555105550² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1156505 + ... + 1165595.

It is an arithmetic number, because the mean of its divisors is an integer number (446453568).

Almost surely, 2^10555105550 is an apocalyptic number.

10555105550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10555105550 is an abundant number, since it is smaller than the sum of its proper divisors (10874665714).

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

10555105550 is a wasteful number, since it uses less digits than its factorization.

10555105550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11225 (or 11220 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 10555105550 in words is "ten billion, five hundred fifty-five million, one hundred five thousand, five hundred fifty".