54275420609 has 2 divisors, whose sum is σ = 54275420610. Its totient is φ = 54275420608.

The previous prime is 54275420587. The next prime is 54275420611. The reversal of 54275420609 is 90602457245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40616356225 + 13659064384 = 201535^2 + 116872^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54275420609 is a prime.

It is a Sophie Germain prime.

Together with 54275420611, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54275420609.

It is not a weakly prime, because it can be changed into another prime (54275420809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27137710304 + 27137710305.

It is an arithmetic number, because the mean of its divisors is an integer number (27137710305).

Almost surely, 2^54275420609 is an apocalyptic number.

It is an amenable number.

54275420609 is a deficient number, since it is larger than the sum of its proper divisors (1).

54275420609 is an equidigital number, since it uses as much as digits as its factorization.

54275420609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 54275420609 in words is "fifty-four billion, two hundred seventy-five million, four hundred twenty thousand, six hundred nine".