2102256055 has 8 divisors (see below), whose sum is σ = 2525360112. Its totient is φ = 1680036288.

The previous prime is 2102256053. The next prime is 2102256067. The reversal of 2102256055 is 5506522012.

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 2102256055 - 2¹ = 2102256053 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 (2102256053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215829 + ... + 225358.

It is an arithmetic number, because the mean of its divisors is an integer number (315670014).

Almost surely, 2^2102256055 is an apocalyptic number.

2102256055 is a deficient number, since it is larger than the sum of its proper divisors (423104057).

2102256055 is an equidigital number, since it uses as much as digits as its factorization.

2102256055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442145.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2102256055 is about 45850.3659200229. The cubic root of 2102256055 is about 1281.0375813466.

Adding to 2102256055 its reverse (5506522012), we get a palindrome (7608778067).

It can be divided in two parts, 21022 and 56055, that added together give a palindrome (77077).

The spelling of 2102256055 in words is "two billion, one hundred two million, two hundred fifty-six thousand, fifty-five".