105551830 has 16 divisors (see below), whose sum is σ = 198254304. Its totient is φ = 40384960.

The previous prime is 105551813. The next prime is 105551833. The reversal of 105551830 is 38155501.

It is a super-2 number, since 2×105551830² = 22282377632697800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105551833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229231 + ... + 229690.

It is an arithmetic number, because the mean of its divisors is an integer number (12390894).

Almost surely, 2^105551830 is an apocalyptic number.

105551830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105551830 is a deficient number, since it is larger than the sum of its proper divisors (92702474).

105551830 is a wasteful number, since it uses less digits than its factorization.

105551830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458951.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 105551830 is about 10273.8420272068. The cubic root of 105551830 is about 472.5944195098.

The spelling of 105551830 in words is "one hundred five million, five hundred fifty-one thousand, eight hundred thirty".