55244441 has 16 divisors (see below), whose sum is σ = 68662656. Its totient is φ = 43358976.

The previous prime is 55244437. The next prime is 55244447. The reversal of 55244441 is 14444255.

It is not a de Polignac number, because 55244441 - 2² = 55244437 is a prime.

It is a super-2 number, since 2×55244441² = 6103896522804962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55244447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1871 + ... + 10676.

It is an arithmetic number, because the mean of its divisors is an integer number (4291416).

Almost surely, 2^55244441 is an apocalyptic number.

It is an amenable number.

55244441 is a deficient number, since it is larger than the sum of its proper divisors (13418215).

55244441 is a wasteful number, since it uses less digits than its factorization.

55244441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12608.

The product of its digits is 12800, while the sum is 29.

The square root of 55244441 is about 7432.6604254466. The cubic root of 55244441 is about 380.8578059129.

Adding to 55244441 its reverse (14444255), we get a palindrome (69688696).

The spelling of 55244441 in words is "fifty-five million, two hundred forty-four thousand, four hundred forty-one".