105500858 has 4 divisors (see below), whose sum is σ = 158251290. Its totient is φ = 52750428.

The previous prime is 105500851. The next prime is 105500891. The reversal of 105500858 is 858005501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 105001009 + 499849 = 10247^2 + 707^2 .

It is a super-2 number, since 2×105500858² = 22260862077472328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105500851) by changing a digit.

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 as a sum of consecutive naturals, namely, 26375213 + ... + 26375216.

Almost surely, 2^105500858 is an apocalyptic number.

105500858 is a deficient number, since it is larger than the sum of its proper divisors (52750432).

105500858 is an equidigital number, since it uses as much as digits as its factorization.

105500858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52750431.

The product of its (nonzero) digits is 8000, while the sum is 32.

The square root of 105500858 is about 10271.3610587887. The cubic root of 105500858 is about 472.5183337884.

The spelling of 105500858 in words is "one hundred five million, five hundred thousand, eight hundred fifty-eight".