55805030579 has 2 divisors, whose sum is σ = 55805030580. Its totient is φ = 55805030578.

The previous prime is 55805030573. The next prime is 55805030581. The reversal of 55805030579 is 97503050855.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55805030579 is a prime.

It is a super-2 number, since 2×55805030579² (a number of 22 digits) contains 22 as substring.

Together with 55805030581, 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 (55805030573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27902515289 + 27902515290.

It is an arithmetic number, because the mean of its divisors is an integer number (27902515290).

Almost surely, 2^55805030579 is an apocalyptic number.

55805030579 is a deficient number, since it is larger than the sum of its proper divisors (1).

55805030579 is an equidigital number, since it uses as much as digits as its factorization.

55805030579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 945000, while the sum is 47.

The spelling of 55805030579 in words is "fifty-five billion, eight hundred five million, thirty thousand, five hundred seventy-nine".