55201244 has 36 divisors (see below), whose sum is σ = 118991376. Its totient is φ = 22264704.

The previous prime is 55201243. The next prime is 55201253. The reversal of 55201244 is 44210255.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55201241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4952 + ... + 11615.

It is an arithmetic number, because the mean of its divisors is an integer number (3305316).

Almost surely, 2^55201244 is an apocalyptic number.

It is an amenable number.

55201244 is an abundant number, since it is smaller than the sum of its proper divisors (63790132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55201244 is a wasteful number, since it uses less digits than its factorization.

55201244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16602 (or 16593 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 55201244 is about 7429.7539663168. The cubic root of 55201244 is about 380.7585126371.

Adding to 55201244 its reverse (44210255), we get a palindrome (99411499).

The spelling of 55201244 in words is "fifty-five million, two hundred one thousand, two hundred forty-four".