105550555 has 16 divisors (see below), whose sum is σ = 139550688. Its totient is φ = 76000000.

The previous prime is 105550553. The next prime is 105550559. The reversal of 105550555 is 555055501.

It is not a de Polignac number, because 105550555 - 2¹ = 105550553 is a prime.

It is a super-2 number, since 2×105550555² = 22281839321616050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105550553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3946 + ... + 15055.

It is an arithmetic number, because the mean of its divisors is an integer number (8721918).

Almost surely, 2^105550555 is an apocalyptic number.

105550555 is a deficient number, since it is larger than the sum of its proper divisors (34000133).

105550555 is a wasteful number, since it uses less digits than its factorization.

105550555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19118.

The product of its (nonzero) digits is 15625, while the sum is 31.

The square root of 105550555 is about 10273.7799762308. The cubic root of 105550555 is about 472.5925166206.

The spelling of 105550555 in words is "one hundred five million, five hundred fifty thousand, five hundred fifty-five".