5054253055421 has 2 divisors, whose sum is σ = 5054253055422. Its totient is φ = 5054253055420.

The previous prime is 5054253055399. The next prime is 5054253055429. The reversal of 5054253055421 is 1245503524505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3227933256025 + 1826319799396 = 1796645^2 + 1351414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5054253055421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5054253055429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527126527710 + 2527126527711.

It is an arithmetic number, because the mean of its divisors is an integer number (2527126527711).

Almost surely, 2^{5054253055421} is an apocalyptic number.

It is an amenable number.

5054253055421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5054253055421 is an equidigital number, since it uses as much as digits as its factorization.

5054253055421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600000, while the sum is 41.

Adding to 5054253055421 its reverse (1245503524505), we get a palindrome (6299756579926).

The spelling of 5054253055421 in words is "five trillion, fifty-four billion, two hundred fifty-three million, fifty-five thousand, four hundred twenty-one".