54221012269 has 2 divisors, whose sum is σ = 54221012270. Its totient is φ = 54221012268.

The previous prime is 54221012249. The next prime is 54221012281. The reversal of 54221012269 is 96221012245.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52553270025 + 1667742244 = 229245^2 + 40838^2 .

It is a cyclic number.

It is not a de Polignac number, because 54221012269 - 2¹³ = 54221004077 is a prime.

It is a super-2 number, since 2×54221012269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54221012249) 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, 27110506134 + 27110506135.

It is an arithmetic number, because the mean of its divisors is an integer number (27110506135).

Almost surely, 2^54221012269 is an apocalyptic number.

It is an amenable number.

54221012269 is a deficient number, since it is larger than the sum of its proper divisors (1).

54221012269 is an equidigital number, since it uses as much as digits as its factorization.

54221012269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 54221012269 in words is "fifty-four billion, two hundred twenty-one million, twelve thousand, two hundred sixty-nine".