54223521019 has 2 divisors, whose sum is σ = 54223521020. Its totient is φ = 54223521018.

The previous prime is 54223520969. The next prime is 54223521067. The reversal of 54223521019 is 91012532245.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54223521019 is a prime.

It is a super-2 number, since 2×54223521019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54223525019) 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, 27111760509 + 27111760510.

It is an arithmetic number, because the mean of its divisors is an integer number (27111760510).

Almost surely, 2^54223521019 is an apocalyptic number.

54223521019 is a deficient number, since it is larger than the sum of its proper divisors (1).

54223521019 is an equidigital number, since it uses as much as digits as its factorization.

54223521019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 54223521019 in words is "fifty-four billion, two hundred twenty-three million, five hundred twenty-one thousand, nineteen".