54221420207 has 2 divisors, whose sum is σ = 54221420208. Its totient is φ = 54221420206.

The previous prime is 54221420191. The next prime is 54221420251. The reversal of 54221420207 is 70202412245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54221420207 - 2⁴ = 54221420191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54221420207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54221420507) by changing a digit.

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 as a sum of consecutive naturals, namely, 27110710103 + 27110710104.

It is an arithmetic number, because the mean of its divisors is an integer number (27110710104).

Almost surely, 2^54221420207 is an apocalyptic number.

54221420207 is a deficient number, since it is larger than the sum of its proper divisors (1).

54221420207 is an equidigital number, since it uses as much as digits as its factorization.

54221420207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 29.

The spelling of 54221420207 in words is "fifty-four billion, two hundred twenty-one million, four hundred twenty thousand, two hundred seven".