55020022279 has 2 divisors, whose sum is σ = 55020022280. Its totient is φ = 55020022278.

The previous prime is 55020022223. The next prime is 55020022289. The reversal of 55020022279 is 97222002055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55020022279 - 2⁷ = 55020022151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55020022289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27510011139 + 27510011140.

It is an arithmetic number, because the mean of its divisors is an integer number (27510011140).

Almost surely, 2^55020022279 is an apocalyptic number.

55020022279 is a deficient number, since it is larger than the sum of its proper divisors (1).

55020022279 is an equidigital number, since it uses as much as digits as its factorization.

55020022279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 55020022279 in words is "fifty-five billion, twenty million, twenty-two thousand, two hundred seventy-nine".