2054420455 has 4 divisors (see below), whose sum is σ = 2465304552. Its totient is φ = 1643536360.

The previous prime is 2054420441. The next prime is 2054420483. The reversal of 2054420455 is 5540244502.

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

It is not a de Polignac number, because 2054420455 - 2¹³ = 2054412263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205442041 + ... + 205442050.

It is an arithmetic number, because the mean of its divisors is an integer number (616326138).

Almost surely, 2^2054420455 is an apocalyptic number.

2054420455 is a deficient number, since it is larger than the sum of its proper divisors (410884097).

2054420455 is an equidigital number, since it uses as much as digits as its factorization.

2054420455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410884096.

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 2054420455 is about 45325.7151625873. The cubic root of 2054420455 is about 1271.2465193224.

Adding to 2054420455 its reverse (5540244502), we get a palindrome (7594664957).

The spelling of 2054420455 in words is "two billion, fifty-four million, four hundred twenty thousand, four hundred fifty-five".