4055050421 has 2 divisors, whose sum is σ = 4055050422. Its totient is φ = 4055050420.

The previous prime is 4055050399. The next prime is 4055050459. The reversal of 4055050421 is 1240505504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4034028196 + 21022225 = 63514^2 + 4585^2 .

It is a cyclic number.

It is not a de Polignac number, because 4055050421 - 2¹⁴ = 4055034037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4055050481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2027525210 + 2027525211.

It is an arithmetic number, because the mean of its divisors is an integer number (2027525211).

Almost surely, 2^4055050421 is an apocalyptic number.

It is an amenable number.

4055050421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4055050421 is an equidigital number, since it uses as much as digits as its factorization.

4055050421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 4055050421 is about 63679.2777989826. The cubic root of 4055050421 is about 1594.6501554821.

Adding to 4055050421 its reverse (1240505504), we get a palindrome (5295555925).

The spelling of 4055050421 in words is "four billion, fifty-five million, fifty thousand, four hundred twenty-one".