55822241 has 2 divisors, whose sum is σ = 55822242. Its totient is φ = 55822240.

The previous prime is 55822223. The next prime is 55822243. The reversal of 55822241 is 14222855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55815841 + 6400 = 7471^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 55822241 - 2⁶ = 55822177 is a prime.

It is a super-2 number, since 2×55822241² = 6232245180524162, which contains 22 as substring.

Together with 55822243, 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 (55822243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27911120 + 27911121.

It is an arithmetic number, because the mean of its divisors is an integer number (27911121).

Almost surely, 2^55822241 is an apocalyptic number.

It is an amenable number.

55822241 is a deficient number, since it is larger than the sum of its proper divisors (1).

55822241 is an equidigital number, since it uses as much as digits as its factorization.

55822241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6400, while the sum is 29.

The square root of 55822241 is about 7471.4283105709. The cubic root of 55822241 is about 382.1809970742.

Subtracting from 55822241 its product of digits (6400), we obtain a square (55815841 = 7471²).

The spelling of 55822241 in words is "fifty-five million, eight hundred twenty-two thousand, two hundred forty-one".