55389241 has 2 divisors, whose sum is σ = 55389242. Its totient is φ = 55389240.

The previous prime is 55389211. The next prime is 55389277. The reversal of 55389241 is 14298355.

55389241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54819216 + 570025 = 7404^2 + 755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55389241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55389241.

It is not a weakly prime, because it can be changed into another prime (55389211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27694620 + 27694621.

It is an arithmetic number, because the mean of its divisors is an integer number (27694621).

Almost surely, 2^55389241 is an apocalyptic number.

It is an amenable number.

55389241 is a deficient number, since it is larger than the sum of its proper divisors (1).

55389241 is an equidigital number, since it uses as much as digits as its factorization.

55389241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 37.

The square root of 55389241 is about 7442.3948430596. The cubic root of 55389241 is about 381.1902683094.

The spelling of 55389241 in words is "fifty-five million, three hundred eighty-nine thousand, two hundred forty-one".