105500650 has 24 divisors (see below), whose sum is σ = 196510860. Its totient is φ = 42140160.

The previous prime is 105500641. The next prime is 105500651. The reversal of 105500650 is 56005501.

It can be written as a sum of positive squares in 6 ways, for example, as 12243001 + 93257649 = 3499^2 + 9657^2 .

It is a super-2 number, since 2×105500650² = 22260774300845000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105500651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54906 + ... + 56794.

Almost surely, 2^105500650 is an apocalyptic number.

105500650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105500650 is a deficient number, since it is larger than the sum of its proper divisors (91010210).

105500650 is a wasteful number, since it uses less digits than its factorization.

105500650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3018 (or 3013 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 105500650 is about 10271.3509335433. The cubic root of 105500650 is about 472.5180232573.

The spelling of 105500650 in words is "one hundred five million, five hundred thousand, six hundred fifty".