52717509 has 24 divisors (see below), whose sum is σ = 82791072. Its totient is φ = 32130720.

The previous prime is 52717507. The next prime is 52717519. The reversal of 52717509 is 90571725.

52717509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52717509 - 2¹ = 52717507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52717501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10414 + ... + 14624.

It is an arithmetic number, because the mean of its divisors is an integer number (3449628).

Almost surely, 2^52717509 is an apocalyptic number.

It is an amenable number.

52717509 is a deficient number, since it is larger than the sum of its proper divisors (30073563).

52717509 is a wasteful number, since it uses less digits than its factorization.

52717509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4337 (or 4334 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 52717509 is about 7260.6824059451. The cubic root of 52717509 is about 374.9600170705.

The spelling of 52717509 in words is "fifty-two million, seven hundred seventeen thousand, five hundred nine".