190499055 has 16 divisors (see below), whose sum is σ = 307649664. Its totient is φ = 100649120.

The previous prime is 190499047. The next prime is 190499077. The reversal of 190499055 is 550994091.

It is a happy number.

It is not a de Polignac number, because 190499055 - 2³ = 190499047 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 190498998 and 190499016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57741 + ... + 60950.

It is an arithmetic number, because the mean of its divisors is an integer number (19228104).

Almost surely, 2^190499055 is an apocalyptic number.

190499055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

190499055 is a deficient number, since it is larger than the sum of its proper divisors (117150609).

190499055 is a wasteful number, since it uses less digits than its factorization.

190499055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118806.

The product of its (nonzero) digits is 72900, while the sum is 42.

The square root of 190499055 is about 13802.1395080618. The cubic root of 190499055 is about 575.3926039588.

The spelling of 190499055 in words is "one hundred ninety million, four hundred ninety-nine thousand, fifty-five".