54281544257 has 2 divisors, whose sum is σ = 54281544258. Its totient is φ = 54281544256.

The previous prime is 54281544217. The next prime is 54281544259. The reversal of 54281544257 is 75244518245.

It is a Cunningham number, because it is equal to 232984²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54281544256 + 1 = 232984^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 54281544257 - 2⁶ = 54281544193 is a prime.

Together with 54281544259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54281544259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27140772128 + 27140772129.

It is an arithmetic number, because the mean of its divisors is an integer number (27140772129).

Almost surely, 2^54281544257 is an apocalyptic number.

It is an amenable number.

54281544257 is a deficient number, since it is larger than the sum of its proper divisors (1).

54281544257 is an equidigital number, since it uses as much as digits as its factorization.

54281544257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792000, while the sum is 47.

The spelling of 54281544257 in words is "fifty-four billion, two hundred eighty-one million, five hundred forty-four thousand, two hundred fifty-seven".