68555411 has 2 divisors, whose sum is σ = 68555412. Its totient is φ = 68555410.

The previous prime is 68555393. The next prime is 68555419. The reversal of 68555411 is 11455586.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68555411 - 2¹⁴ = 68539027 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (68555419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34277705 + 34277706.

It is an arithmetic number, because the mean of its divisors is an integer number (34277706).

Almost surely, 2^68555411 is an apocalyptic number.

68555411 is a deficient number, since it is larger than the sum of its proper divisors (1).

68555411 is an equidigital number, since it uses as much as digits as its factorization.

68555411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24000, while the sum is 35.

The square root of 68555411 is about 8279.8195028636. The cubic root of 68555411 is about 409.2737709108.

The spelling of 68555411 in words is "sixty-eight million, five hundred fifty-five thousand, four hundred eleven".