1105550550 has 72 divisors (see below), whose sum is σ = 3198743184. Its totient is φ = 272134080.

The previous prime is 1105550533. The next prime is 1105550561. The reversal of 1105550550 is 550555011.

1105550550 is a `hidden beast` number, since 1 + 10 + 55 + 50 + 550 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 88642 + ... + 100341.

Almost surely, 2^1105550550 is an apocalyptic number.

1105550550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1105550550 is an abundant number, since it is smaller than the sum of its proper divisors (2093192634).

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

1105550550 is a wasteful number, since it uses less digits than its factorization.

1105550550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189014 (or 189006 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The square root of 1105550550 is about 33249.8203002663. The cubic root of 1105550550 is about 1034.0134827335.

The spelling of 1105550550 in words is "one billion, one hundred five million, five hundred fifty thousand, five hundred fifty".