54212266630021 has 2 divisors, whose sum is σ = 54212266630022. Its totient is φ = 54212266630020.

The previous prime is 54212266630009. The next prime is 54212266630057. The reversal of 54212266630021 is 12003666221245.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52972762941121 + 1239503688900 = 7278239^2 + 1113330^2 .

It is a cyclic number.

It is not a de Polignac number, because 54212266630021 - 2⁴⁵ = 19027894541189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54212266630721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27106133315010 + 27106133315011.

It is an arithmetic number, because the mean of its divisors is an integer number (27106133315011).

Almost surely, 2^{54212266630021} is an apocalyptic number.

It is an amenable number.

54212266630021 is a deficient number, since it is larger than the sum of its proper divisors (1).

54212266630021 is an equidigital number, since it uses as much as digits as its factorization.

54212266630021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 54212266630021 in words is "fifty-four trillion, two hundred twelve billion, two hundred sixty-six million, six hundred thirty thousand, twenty-one".