54641623489 has 2 divisors, whose sum is σ = 54641623490. Its totient is φ = 54641623488.

The previous prime is 54641623469. The next prime is 54641623511. The reversal of 54641623489 is 98432614645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46573092864 + 8068530625 = 215808^2 + 89825^2 .

It is a cyclic number.

It is not a de Polignac number, because 54641623489 - 2¹³ = 54641615297 is a prime.

It is not a weakly prime, because it can be changed into another prime (54641623429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27320811744 + 27320811745.

It is an arithmetic number, because the mean of its divisors is an integer number (27320811745).

Almost surely, 2^54641623489 is an apocalyptic number.

It is an amenable number.

54641623489 is a deficient number, since it is larger than the sum of its proper divisors (1).

54641623489 is an equidigital number, since it uses as much as digits as its factorization.

54641623489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 52.

The spelling of 54641623489 in words is "fifty-four billion, six hundred forty-one million, six hundred twenty-three thousand, four hundred eighty-nine".