2055842105 has 4 divisors (see below), whose sum is σ = 2467010532. Its totient is φ = 1644673680.

The previous prime is 2055842077. The next prime is 2055842111. The reversal of 2055842105 is 5012485502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5012485502 = 2 ⋅2506242751.

It can be written as a sum of positive squares in 2 ways, for example, as 426670336 + 1629171769 = 20656^2 + 40363^2 .

It is not a de Polignac number, because 2055842105 - 2¹² = 2055838009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205584206 + ... + 205584215.

It is an arithmetic number, because the mean of its divisors is an integer number (616752633).

Almost surely, 2^2055842105 is an apocalyptic number.

It is an amenable number.

2055842105 is a deficient number, since it is larger than the sum of its proper divisors (411168427).

2055842105 is an equidigital number, since it uses as much as digits as its factorization.

2055842105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411168426.

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 2055842105 is about 45341.3950491160. The cubic root of 2055842105 is about 1271.5396840600.

The spelling of 2055842105 in words is "two billion, fifty-five million, eight hundred forty-two thousand, one hundred five".