52550509 has 8 divisors (see below), whose sum is σ = 57514752. Its totient is φ = 47617440.

The previous prime is 52550503. The next prime is 52550513. The reversal of 52550509 is 90505525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52550509 - 2²¹ = 50453357 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 (52550503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4189 + ... + 11074.

It is an arithmetic number, because the mean of its divisors is an integer number (7189344).

Almost surely, 2^52550509 is an apocalyptic number.

It is an amenable number.

52550509 is a deficient number, since it is larger than the sum of its proper divisors (4964243).

52550509 is a wasteful number, since it uses less digits than its factorization.

52550509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15587.

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 52550509 is about 7249.1729873138. The cubic root of 52550509 is about 374.5636619694.

The spelling of 52550509 in words is "fifty-two million, five hundred fifty thousand, five hundred nine".