54645444454637 has 2 divisors, whose sum is σ = 54645444454638. Its totient is φ = 54645444454636.

The previous prime is 54645444454631. The next prime is 54645444454639. The reversal of 54645444454637 is 73645444454645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52006294748521 + 2639149706116 = 7211539^2 + 1624546^2 .

It is a cyclic number.

It is not a de Polignac number, because 54645444454637 - 2²⁰ = 54645443406061 is a prime.

It is a super-2 number, since 2×54645444454637² (a number of 28 digits) contains 22 as substring.

Together with 54645444454639, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54645444454631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27322722227318 + 27322722227319.

It is an arithmetic number, because the mean of its divisors is an integer number (27322722227319).

Almost surely, 2^{54645444454637} is an apocalyptic number.

It is an amenable number.

54645444454637 is a deficient number, since it is larger than the sum of its proper divisors (1).

54645444454637 is an equidigital number, since it uses as much as digits as its factorization.

54645444454637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288000, while the sum is 65.

The spelling of 54645444454637 in words is "fifty-four trillion, six hundred forty-five billion, four hundred forty-four million, four hundred fifty-four thousand, six hundred thirty-seven".