68554441 has 2 divisors, whose sum is σ = 68554442. Its totient is φ = 68554440.

The previous prime is 68554439. The next prime is 68554469. The reversal of 68554441 is 14445586.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63536841 + 5017600 = 7971^2 + 2240^2 .

It is a cyclic number.

It is not a de Polignac number, because 68554441 - 2¹ = 68554439 is a prime.

It is a super-2 number, since 2×68554441² = 9399422761644962, which contains 22 as substring.

Together with 68554439, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68554441.

It is not a weakly prime, because it can be changed into another prime (68554411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34277220 + 34277221.

It is an arithmetic number, because the mean of its divisors is an integer number (34277221).

Almost surely, 2^68554441 is an apocalyptic number.

It is an amenable number.

68554441 is a deficient number, since it is larger than the sum of its proper divisors (1).

68554441 is an equidigital number, since it uses as much as digits as its factorization.

68554441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76800, while the sum is 37.

The square root of 68554441 is about 8279.7609265002. The cubic root of 68554441 is about 409.2718406113.

The spelling of 68554441 in words is "sixty-eight million, five hundred fifty-four thousand, four hundred forty-one".