55424849 has 2 divisors, whose sum is σ = 55424850. Its totient is φ = 55424848.

The previous prime is 55424833. The next prime is 55424851. The reversal of 55424849 is 94842455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55056400 + 368449 = 7420^2 + 607^2 .

It is a cyclic number.

It is not a de Polignac number, because 55424849 - 2⁴ = 55424833 is a prime.

Together with 55424851, 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 (55424819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27712424 + 27712425.

It is an arithmetic number, because the mean of its divisors is an integer number (27712425).

Almost surely, 2^55424849 is an apocalyptic number.

It is an amenable number.

55424849 is a deficient number, since it is larger than the sum of its proper divisors (1).

55424849 is an equidigital number, since it uses as much as digits as its factorization.

55424849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230400, while the sum is 41.

The square root of 55424849 is about 7444.7866994293. The cubic root of 55424849 is about 381.2719358874.

The spelling of 55424849 in words is "fifty-five million, four hundred twenty-four thousand, eight hundred forty-nine".