54541718281 has 2 divisors, whose sum is σ = 54541718282. Its totient is φ = 54541718280.

The previous prime is 54541718267. The next prime is 54541718291. The reversal of 54541718281 is 18281714545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38815304256 + 15726414025 = 197016^2 + 125405^2 .

It is a cyclic number.

It is not a de Polignac number, because 54541718281 - 2²³ = 54533329673 is a prime.

It is a super-2 number, since 2×54541718281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54541718201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27270859140 + 27270859141.

It is an arithmetic number, because the mean of its divisors is an integer number (27270859141).

Almost surely, 2^54541718281 is an apocalyptic number.

It is an amenable number.

54541718281 is a deficient number, since it is larger than the sum of its proper divisors (1).

54541718281 is an equidigital number, since it uses as much as digits as its factorization.

54541718281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 358400, while the sum is 46.

The spelling of 54541718281 in words is "fifty-four billion, five hundred forty-one million, seven hundred eighteen thousand, two hundred eighty-one".