55226449 has 2 divisors, whose sum is σ = 55226450. Its totient is φ = 55226448.

The previous prime is 55226443. The next prime is 55226461. The reversal of 55226449 is 94462255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41216400 + 14010049 = 6420^2 + 3743^2 .

It is a cyclic number.

It is not a de Polignac number, because 55226449 - 2³ = 55226441 is a prime.

It is equal to p_3294955 and since 55226449 and 3294955 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (55226441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27613224 + 27613225.

It is an arithmetic number, because the mean of its divisors is an integer number (27613225).

Almost surely, 2^55226449 is an apocalyptic number.

It is an amenable number.

55226449 is a deficient number, since it is larger than the sum of its proper divisors (1).

55226449 is an equidigital number, since it uses as much as digits as its factorization.

55226449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 37.

The square root of 55226449 is about 7431.4499931036. The cubic root of 55226449 is about 380.8164555221.

The spelling of 55226449 in words is "fifty-five million, two hundred twenty-six thousand, four hundred forty-nine".