552120044 has 72 divisors (see below), whose sum is σ = 1174400640. Its totient is φ = 226195200.

The previous prime is 552120007. The next prime is 552120059. The reversal of 552120044 is 440021255.

It is a happy number.

552120044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 540254 + ... + 541274.

It is an arithmetic number, because the mean of its divisors is an integer number (16311120).

Almost surely, 2^552120044 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 552120044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587200320).

552120044 is an abundant number, since it is smaller than the sum of its proper divisors (622280596).

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

552120044 is a wasteful number, since it uses less digits than its factorization.

552120044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159 (or 1150 counting only the distinct ones).

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

The square root of 552120044 is about 23497.2348160374. The cubic root of 552120044 is about 820.3726464106.

Adding to 552120044 its reverse (440021255), we get a palindrome (992141299).

The spelling of 552120044 in words is "five hundred fifty-two million, one hundred twenty thousand, forty-four".