65554667 has 2 divisors, whose sum is σ = 65554668. Its totient is φ = 65554666.

The previous prime is 65554603. The next prime is 65554679. The reversal of 65554667 is 76645556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65554667 - 2⁶ = 65554603 is a prime.

It is not a weakly prime, because it can be changed into another prime (65554067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32777333 + 32777334.

It is an arithmetic number, because the mean of its divisors is an integer number (32777334).

Almost surely, 2^65554667 is an apocalyptic number.

65554667 is a deficient number, since it is larger than the sum of its proper divisors (1).

65554667 is an equidigital number, since it uses as much as digits as its factorization.

65554667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756000, while the sum is 44.

The square root of 65554667 is about 8096.5836622615. The cubic root of 65554667 is about 403.2130118674.

The spelling of 65554667 in words is "sixty-five million, five hundred fifty-four thousand, six hundred sixty-seven".