1600055 has 4 divisors (see below), whose sum is σ = 1920072. Its totient is φ = 1280040.

The previous prime is 1600051. The next prime is 1600061. The reversal of 1600055 is 5500061.

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

It is not a de Polignac number, because 1600055 - 2² = 1600051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1600051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160001 + ... + 160010.

It is an arithmetic number, because the mean of its divisors is an integer number (480018).

2^1600055 is an apocalyptic number.

1600055 is a deficient number, since it is larger than the sum of its proper divisors (320017).

1600055 is an equidigital number, since it uses as much as digits as its factorization.

1600055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320016.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1600055 is about 1264.9328045394. The cubic root of 1600055 is about 116.9620496880.

The spelling of 1600055 in words is "one million, six hundred thousand, fifty-five".