552555444 has 96 divisors (see below), whose sum is σ = 1539014400. Its totient is φ = 150958080.

The previous prime is 552555433. The next prime is 552555457. The reversal of 552555444 is 444555255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264484 + ... + 266564.

It is an arithmetic number, because the mean of its divisors is an integer number (16031400).

Almost surely, 2^552555444 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 552555444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769507200).

552555444 is an abundant number, since it is smaller than the sum of its proper divisors (986458956).

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

552555444 is a wasteful number, since it uses less digits than its factorization.

552555444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233 (or 2231 counting only the distinct ones).

The product of its digits is 400000, while the sum is 39.

The square root of 552555444 is about 23506.4979101524. The cubic root of 552555444 is about 820.5882374475.

The spelling of 552555444 in words is "five hundred fifty-two million, five hundred fifty-five thousand, four hundred forty-four".