54284815757281 has 2 divisors, whose sum is σ = 54284815757282. Its totient is φ = 54284815757280.

The previous prime is 54284815757203. The next prime is 54284815757297. The reversal of 54284815757281 is 18275751848245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51083668576656 + 3201147180625 = 7147284^2 + 1789175^2 .

It is a cyclic number.

It is not a de Polignac number, because 54284815757281 - 2⁷ = 54284815757153 is a prime.

It is a super-2 number, since 2×54284815757281² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54284815737281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27142407878640 + 27142407878641.

It is an arithmetic number, because the mean of its divisors is an integer number (27142407878641).

Almost surely, 2^{54284815757281} is an apocalyptic number.

It is an amenable number.

54284815757281 is a deficient number, since it is larger than the sum of its proper divisors (1).

54284815757281 is an equidigital number, since it uses as much as digits as its factorization.

54284815757281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 200704000, while the sum is 67.

The spelling of 54284815757281 in words is "fifty-four trillion, two hundred eighty-four billion, eight hundred fifteen million, seven hundred fifty-seven thousand, two hundred eighty-one".