67055711 has 2 divisors, whose sum is σ = 67055712. Its totient is φ = 67055710.

The previous prime is 67055663. The next prime is 67055713. The reversal of 67055711 is 11755076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67055711 - 2⁶ = 67055647 is a prime.

Together with 67055713, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67055713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33527855 + 33527856.

It is an arithmetic number, because the mean of its divisors is an integer number (33527856).

Almost surely, 2^67055711 is an apocalyptic number.

67055711 is a deficient number, since it is larger than the sum of its proper divisors (1).

67055711 is an equidigital number, since it uses as much as digits as its factorization.

67055711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 67055711 is about 8188.7551556998. The cubic root of 67055711 is about 406.2673524422.

The spelling of 67055711 in words is "sixty-seven million, fifty-five thousand, seven hundred eleven".