544089881 has 2 divisors, whose sum is σ = 544089882. Its totient is φ = 544089880.

The previous prime is 544089877. The next prime is 544089893. The reversal of 544089881 is 188980445.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 471584656 + 72505225 = 21716^2 + 8515^2 .

It is a cyclic number.

It is not a de Polignac number, because 544089881 - 2² = 544089877 is a prime.

It is a super-2 number, since 2×544089881² = 592067597213188322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (544089281) 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, 272044940 + 272044941.

It is an arithmetic number, because the mean of its divisors is an integer number (272044941).

Almost surely, 2^544089881 is an apocalyptic number.

It is an amenable number.

544089881 is a deficient number, since it is larger than the sum of its proper divisors (1).

544089881 is an equidigital number, since it uses as much as digits as its factorization.

544089881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 368640, while the sum is 47.

The square root of 544089881 is about 23325.7343078412. The cubic root of 544089881 is about 816.3759766383.

The spelling of 544089881 in words is "five hundred forty-four million, eighty-nine thousand, eight hundred eighty-one".