54077281 has 2 divisors, whose sum is σ = 54077282. Its totient is φ = 54077280.

The previous prime is 54077263. The next prime is 54077291. The reversal of 54077281 is 18277045.

It is a happy number.

54077281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31181056 + 22896225 = 5584^2 + 4785^2 .

It is a cyclic number.

It is not a de Polignac number, because 54077281 - 2⁹ = 54076769 is a prime.

It is a super-2 number, since 2×54077281² = 5848704640705922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54077251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27038640 + 27038641.

It is an arithmetic number, because the mean of its divisors is an integer number (27038641).

Almost surely, 2^54077281 is an apocalyptic number.

It is an amenable number.

54077281 is a deficient number, since it is larger than the sum of its proper divisors (1).

54077281 is an equidigital number, since it uses as much as digits as its factorization.

54077281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 54077281 is about 7353.7256543877. The cubic root of 54077281 is about 378.1565400552.

The spelling of 54077281 in words is "fifty-four million, seventy-seven thousand, two hundred eighty-one".