55664267 has 2 divisors, whose sum is σ = 55664268. Its totient is φ = 55664266.

The previous prime is 55664237. The next prime is 55664303. The reversal of 55664267 is 76246655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55664267 - 2²² = 51469963 is a prime.

It is not a weakly prime, because it can be changed into another prime (55664237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27832133 + 27832134.

It is an arithmetic number, because the mean of its divisors is an integer number (27832134).

Almost surely, 2^55664267 is an apocalyptic number.

55664267 is a deficient number, since it is larger than the sum of its proper divisors (1).

55664267 is an equidigital number, since it uses as much as digits as its factorization.

55664267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 41.

The square root of 55664267 is about 7460.8489463331. The cubic root of 55664267 is about 381.8201390970.

The spelling of 55664267 in words is "fifty-five million, six hundred sixty-four thousand, two hundred sixty-seven".