55828349 has 2 divisors, whose sum is σ = 55828350. Its totient is φ = 55828348.

The previous prime is 55828321. The next prime is 55828351. The reversal of 55828349 is 94382855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36844900 + 18983449 = 6070^2 + 4357^2 .

It is a cyclic number.

It is not a de Polignac number, because 55828349 - 2⁸ = 55828093 is a prime.

Together with 55828351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55828309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27914174 + 27914175.

It is an arithmetic number, because the mean of its divisors is an integer number (27914175).

Almost surely, 2^55828349 is an apocalyptic number.

It is an amenable number.

55828349 is a deficient number, since it is larger than the sum of its proper divisors (1).

55828349 is an equidigital number, since it uses as much as digits as its factorization.

55828349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 44.

The square root of 55828349 is about 7471.8370565745. The cubic root of 55828349 is about 382.1949358219.

It can be divided in two parts, 5582 and 8349, that added together give a palindrome (13931).

The spelling of 55828349 in words is "fifty-five million, eight hundred twenty-eight thousand, three hundred forty-nine".