55244144 has 10 divisors (see below), whose sum is σ = 107035560. Its totient is φ = 27622064.

The previous prime is 55244117. The next prime is 55244149. The reversal of 55244144 is 44144255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55244149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1726364 + ... + 1726395.

It is an arithmetic number, because the mean of its divisors is an integer number (10703556).

Almost surely, 2^55244144 is an apocalyptic number.

It is an amenable number.

55244144 is a deficient number, since it is larger than the sum of its proper divisors (51791416).

55244144 is a wasteful number, since it uses less digits than its factorization.

55244144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3452767 (or 3452761 counting only the distinct ones).

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

The square root of 55244144 is about 7432.6404460326. The cubic root of 55244144 is about 380.8571234010.

Adding to 55244144 its reverse (44144255), we get a palindrome (99388399).

The spelling of 55244144 in words is "fifty-five million, two hundred forty-four thousand, one hundred forty-four".