552687509 has 4 divisors (see below), whose sum is σ = 602931840. Its totient is φ = 502443180.

The previous prime is 552687497. The next prime is 552687521. The reversal of 552687509 is 905786255.

552687509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (552687497) and next prime (552687521).

It is a cyclic number.

It is not a de Polignac number, because 552687509 - 2⁸ = 552687253 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 (552687589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25122149 + ... + 25122170.

It is an arithmetic number, because the mean of its divisors is an integer number (150732960).

Almost surely, 2^552687509 is an apocalyptic number.

It is an amenable number.

552687509 is a deficient number, since it is larger than the sum of its proper divisors (50244331).

552687509 is a wasteful number, since it uses less digits than its factorization.

552687509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50244330.

The product of its (nonzero) digits is 756000, while the sum is 47.

The square root of 552687509 is about 23509.3068591994. The cubic root of 552687509 is about 820.6536078727.

The spelling of 552687509 in words is "five hundred fifty-two million, six hundred eighty-seven thousand, five hundred nine".