54261019 has 2 divisors, whose sum is σ = 54261020. Its totient is φ = 54261018.

The previous prime is 54260959. The next prime is 54261023. The reversal of 54261019 is 91016245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54261019 - 2⁷ = 54260891 is a prime.

It is a super-2 number, since 2×54261019² = 5888516365836722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54261049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27130509 + 27130510.

It is an arithmetic number, because the mean of its divisors is an integer number (27130510).

Almost surely, 2^54261019 is an apocalyptic number.

54261019 is a deficient number, since it is larger than the sum of its proper divisors (1).

54261019 is an equidigital number, since it uses as much as digits as its factorization.

54261019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 54261019 is about 7366.2079118092. The cubic root of 54261019 is about 378.5843425183.

The spelling of 54261019 in words is "fifty-four million, two hundred sixty-one thousand, nineteen".