552520644 has 48 divisors (see below), whose sum is σ = 1436272320. Its totient is φ = 164142720.

The previous prime is 552520613. The next prime is 552520649. The reversal of 552520644 is 446025255.

552520644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (552520649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56542 + ... + 65589.

It is an arithmetic number, because the mean of its divisors is an integer number (29922340).

Almost surely, 2^552520644 is an apocalyptic number.

It is an amenable number.

552520644 is an abundant number, since it is smaller than the sum of its proper divisors (883751676).

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

552520644 is a wasteful number, since it uses less digits than its factorization.

552520644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122180 (or 122178 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 552520644 is about 23505.7576776415. The cubic root of 552520644 is about 820.5710101747.

Adding to 552520644 its reverse (446025255), we get a palindrome (998545899).

The spelling of 552520644 in words is "five hundred fifty-two million, five hundred twenty thousand, six hundred forty-four".