544457539 has 2 divisors, whose sum is σ = 544457540. Its totient is φ = 544457538.

The previous prime is 544457489. The next prime is 544457549. The reversal of 544457539 is 935754445.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 544457539 - 2²³ = 536068931 is a prime.

It is not a weakly prime, because it can be changed into another prime (544457549) 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, 272228769 + 272228770.

It is an arithmetic number, because the mean of its divisors is an integer number (272228770).

Almost surely, 2^544457539 is an apocalyptic number.

544457539 is a deficient number, since it is larger than the sum of its proper divisors (1).

544457539 is an equidigital number, since it uses as much as digits as its factorization.

544457539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512000, while the sum is 46.

The square root of 544457539 is about 23333.6139292652. The cubic root of 544457539 is about 816.5598185539.

The spelling of 544457539 in words is "five hundred forty-four million, four hundred fifty-seven thousand, five hundred thirty-nine".