54645444454663 has 2 divisors, whose sum is σ = 54645444454664. Its totient is φ = 54645444454662.

The previous prime is 54645444454639. The next prime is 54645444454691. The reversal of 54645444454663 is 36645444454645.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54645444454663 - 2⁵ = 54645444454631 is a prime.

It is a super-2 number, since 2×54645444454663² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54645444454595 and 54645444454604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54645444454693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27322722227331 + 27322722227332.

It is an arithmetic number, because the mean of its divisors is an integer number (27322722227332).

Almost surely, 2^{54645444454663} is an apocalyptic number.

54645444454663 is a deficient number, since it is larger than the sum of its proper divisors (1).

54645444454663 is an equidigital number, since it uses as much as digits as its factorization.

54645444454663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104000, while the sum is 64.

The spelling of 54645444454663 in words is "fifty-four trillion, six hundred forty-five billion, four hundred forty-four million, four hundred fifty-four thousand, six hundred sixty-three".