2050021687055 has 4 divisors (see below), whose sum is σ = 2460026024472. Its totient is φ = 1640017349640.

The previous prime is 2050021687037. The next prime is 2050021687097. The reversal of 2050021687055 is 5507861200502.

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

It is not a de Polignac number, because 2050021687055 - 2²⁸ = 2049753251599 is a prime.

It is a Duffinian number.

It is a congruent 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, 205002168701 + ... + 205002168710.

It is an arithmetic number, because the mean of its divisors is an integer number (615006506118).

Almost surely, 2^{2050021687055} is an apocalyptic number.

2050021687055 is a deficient number, since it is larger than the sum of its proper divisors (410004337417).

2050021687055 is an equidigital number, since it uses as much as digits as its factorization.

2050021687055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410004337416.

The product of its (nonzero) digits is 168000, while the sum is 41.

Adding to 2050021687055 its reverse (5507861200502), we get a palindrome (7557882887557).

The spelling of 2050021687055 in words is "two trillion, fifty billion, twenty-one million, six hundred eighty-seven thousand, fifty-five".