55244252 has 48 divisors (see below), whose sum is σ = 116497920. Its totient is φ = 22410432.

The previous prime is 55244249. The next prime is 55244281. The reversal of 55244252 is 25244255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69803 + ... + 70589.

It is an arithmetic number, because the mean of its divisors is an integer number (2427040).

Almost surely, 2^55244252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55244252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58248960).

55244252 is an abundant number, since it is smaller than the sum of its proper divisors (61253668).

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

55244252 is a wasteful number, since it uses less digits than its factorization.

55244252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930 (or 928 counting only the distinct ones).

The product of its digits is 16000, while the sum is 29.

The square root of 55244252 is about 7432.6477112803. The cubic root of 55244252 is about 380.8573715874.

The spelling of 55244252 in words is "fifty-five million, two hundred forty-four thousand, two hundred fifty-two".