55607567 has 2 divisors, whose sum is σ = 55607568. Its totient is φ = 55607566.

The previous prime is 55607507. The next prime is 55607569. The reversal of 55607567 is 76570655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55607567 - 2⁸ = 55607311 is a prime.

Together with 55607569, 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 (55607569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27803783 + 27803784.

It is an arithmetic number, because the mean of its divisors is an integer number (27803784).

Almost surely, 2^55607567 is an apocalyptic number.

55607567 is a deficient number, since it is larger than the sum of its proper divisors (1).

55607567 is an equidigital number, since it uses as much as digits as its factorization.

55607567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 220500, while the sum is 41.

The square root of 55607567 is about 7457.0481425293. The cubic root of 55607567 is about 381.6904535262.

The spelling of 55607567 in words is "fifty-five million, six hundred seven thousand, five hundred sixty-seven".