68833553 has 2 divisors, whose sum is σ = 68833554. Its totient is φ = 68833552.

The previous prime is 68833543. The next prime is 68833571. The reversal of 68833553 is 35533886.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58186384 + 10647169 = 7628^2 + 3263^2 .

It is a cyclic number.

It is not a de Polignac number, because 68833553 - 2⁴ = 68833537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68833553.

It is not a weakly prime, because it can be changed into another prime (68833543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34416776 + 34416777.

It is an arithmetic number, because the mean of its divisors is an integer number (34416777).

Almost surely, 2^68833553 is an apocalyptic number.

It is an amenable number.

68833553 is a deficient number, since it is larger than the sum of its proper divisors (1).

68833553 is an equidigital number, since it uses as much as digits as its factorization.

68833553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 41.

The square root of 68833553 is about 8296.5988814694. The cubic root of 68833553 is about 409.8265238740.

The spelling of 68833553 in words is "sixty-eight million, eight hundred thirty-three thousand, five hundred fifty-three".