552109009 has 3 divisors (see below), whose sum is σ = 552132507. Its totient is φ = 552085512.

The previous prime is 552109007. The next prime is 552109013. The reversal of 552109009 is 900901255.

The square root of 552109009 is 23497.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 437019025 + 115089984 = 20905^2 + 10728^2 .

It is not a de Polignac number, because 552109009 - 2¹ = 552109007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552109007) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11749 + ... + 35245.

It is an arithmetic number, because the mean of its divisors is an integer number (184044169).

Almost surely, 2^552109009 is an apocalyptic number.

552109009 is the 23497-th square number.

552109009 is the 11749-th centered octagonal number.

It is an amenable number.

552109009 is a deficient number, since it is larger than the sum of its proper divisors (23498).

552109009 is an frugal number, since it uses more digits than its factorization.

552109009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46994 (or 23497 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 31.

The cubic root of 552109009 is about 820.3671808888.

It can be divided in two parts, 552 and 109009, that added together give a square (109561 = 331²).

The spelling of 552109009 in words is "five hundred fifty-two million, one hundred nine thousand, nine".