55206244 has 6 divisors (see below), whose sum is σ = 96610934. Its totient is φ = 27603120.

The previous prime is 55206209. The next prime is 55206301. The reversal of 55206244 is 44260255.

It can be written as a sum of positive squares in only one way, i.e., 54022500 + 1183744 = 7350^2 + 1088^2 .

It is an unprimeable number.

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, 6900777 + ... + 6900784.

Almost surely, 2^55206244 is an apocalyptic number.

It is an amenable number.

55206244 is a deficient number, since it is larger than the sum of its proper divisors (41404690).

55206244 is a wasteful number, since it uses less digits than its factorization.

55206244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13801565 (or 13801563 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 55206244 is about 7430.0904435949. The cubic root of 55206244 is about 380.7700083628.

Adding to 55206244 its reverse (44260255), we get a palindrome (99466499).

The spelling of 55206244 in words is "fifty-five million, two hundred six thousand, two hundred forty-four".