552320111 has 12 divisors (see below), whose sum is σ = 644211720. Its totient is φ = 472152240.

The previous prime is 552320107. The next prime is 552320161. The reversal of 552320111 is 111023255.

It is a happy number.

It is not a de Polignac number, because 552320111 - 2² = 552320107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552320161) 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, 3701 + ... + 33441.

It is an arithmetic number, because the mean of its divisors is an integer number (53684310).

Almost surely, 2^552320111 is an apocalyptic number.

552320111 is a deficient number, since it is larger than the sum of its proper divisors (91891609).

552320111 is a wasteful number, since it uses less digits than its factorization.

552320111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30134 (or 30127 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 552320111 is about 23501.4916760618. The cubic root of 552320111 is about 820.4717249083.

Adding to 552320111 its reverse (111023255), we get a palindrome (663343366).

The spelling of 552320111 in words is "five hundred fifty-two million, three hundred twenty thousand, one hundred eleven".