54223480070821 has 2 divisors, whose sum is σ = 54223480070822. Its totient is φ = 54223480070820.

The previous prime is 54223480070783. The next prime is 54223480070891. The reversal of 54223480070821 is 12807008432245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53520724797796 + 702755273025 = 7315786^2 + 838305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54223480070821 is a prime.

It is a super-2 number, since 2×54223480070821² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54223480070891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27111740035410 + 27111740035411.

It is an arithmetic number, because the mean of its divisors is an integer number (27111740035411).

Almost surely, 2^{54223480070821} is an apocalyptic number.

It is an amenable number.

54223480070821 is a deficient number, since it is larger than the sum of its proper divisors (1).

54223480070821 is an equidigital number, since it uses as much as digits as its factorization.

54223480070821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 860160, while the sum is 46.

The spelling of 54223480070821 in words is "fifty-four trillion, two hundred twenty-three billion, four hundred eighty million, seventy thousand, eight hundred twenty-one".