55226069 has 2 divisors, whose sum is σ = 55226070. Its totient is φ = 55226068.

The previous prime is 55226051. The next prime is 55226099. The reversal of 55226069 is 96062255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29571844 + 25654225 = 5438^2 + 5065^2 .

It is a cyclic number.

It is not a de Polignac number, because 55226069 - 2⁸ = 55225813 is a prime.

It is a super-2 number, since 2×55226069² = 6099837394385522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55226009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27613034 + 27613035.

It is an arithmetic number, because the mean of its divisors is an integer number (27613035).

Almost surely, 2^55226069 is an apocalyptic number.

It is an amenable number.

55226069 is a deficient number, since it is larger than the sum of its proper divisors (1).

55226069 is an equidigital number, since it uses as much as digits as its factorization.

55226069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 55226069 is about 7431.4244260438. The cubic root of 55226069 is about 380.8155820844.

The spelling of 55226069 in words is "fifty-five million, two hundred twenty-six thousand, sixty-nine".