54642228481 has 2 divisors, whose sum is σ = 54642228482. Its totient is φ = 54642228480.

The previous prime is 54642228467. The next prime is 54642228493. The reversal of 54642228481 is 18482224645.

54642228481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47280588481 + 7361640000 = 217441^2 + 85800^2 .

It is a cyclic number.

It is not a de Polignac number, because 54642228481 - 2¹⁹ = 54641704193 is a prime.

It is a super-2 number, since 2×54642228481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54642228451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27321114240 + 27321114241.

It is an arithmetic number, because the mean of its divisors is an integer number (27321114241).

Almost surely, 2^54642228481 is an apocalyptic number.

It is an amenable number.

54642228481 is a deficient number, since it is larger than the sum of its proper divisors (1).

54642228481 is an equidigital number, since it uses as much as digits as its factorization.

54642228481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 983040, while the sum is 46.

The spelling of 54642228481 in words is "fifty-four billion, six hundred forty-two million, two hundred twenty-eight thousand, four hundred eighty-one".