190287055 has 8 divisors (see below), whose sum is σ = 260965152. Its totient is φ = 130482528.

The previous prime is 190287049. The next prime is 190287059. The reversal of 190287055 is 550782091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190287055 - 2⁵ = 190287023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190287059) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2718352 + ... + 2718421.

It is an arithmetic number, because the mean of its divisors is an integer number (32620644).

Almost surely, 2^190287055 is an apocalyptic number.

190287055 is a deficient number, since it is larger than the sum of its proper divisors (70678097).

190287055 is an equidigital number, since it uses as much as digits as its factorization.

190287055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5436785.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 190287055 is about 13794.4574014348. The cubic root of 190287055 is about 575.1790796968.

The spelling of 190287055 in words is "one hundred ninety million, two hundred eighty-seven thousand, fifty-five".