55560611 has 2 divisors, whose sum is σ = 55560612. Its totient is φ = 55560610.

The previous prime is 55560577. The next prime is 55560613. The reversal of 55560611 is 11606555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55560611 - 2¹⁴ = 55544227 is a prime.

Together with 55560613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55560613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27780305 + 27780306.

It is an arithmetic number, because the mean of its divisors is an integer number (27780306).

Almost surely, 2^55560611 is an apocalyptic number.

55560611 is a deficient number, since it is larger than the sum of its proper divisors (1).

55560611 is an equidigital number, since it uses as much as digits as its factorization.

55560611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 55560611 is about 7453.8990468077. The cubic root of 55560611 is about 381.5829879119.

The spelling of 55560611 in words is "fifty-five million, five hundred sixty thousand, six hundred eleven".