68055047 has 2 divisors, whose sum is σ = 68055048. Its totient is φ = 68055046.

The previous prime is 68055037. The next prime is 68055059. The reversal of 68055047 is 74055086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68055047 - 2¹⁸ = 67792903 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68054998 and 68055016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68055037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34027523 + 34027524.

It is an arithmetic number, because the mean of its divisors is an integer number (34027524).

Almost surely, 2^68055047 is an apocalyptic number.

68055047 is a deficient number, since it is larger than the sum of its proper divisors (1).

68055047 is an equidigital number, since it uses as much as digits as its factorization.

68055047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 68055047 is about 8249.5482906642. The cubic root of 68055047 is about 408.2756191464.

The spelling of 68055047 in words is "sixty-eight million, fifty-five thousand, forty-seven".