50561329 has 16 divisors (see below), whose sum is σ = 62576640. Its totient is φ = 39781440.

The previous prime is 50561317. The next prime is 50561339. The reversal of 50561329 is 92316505.

It is a cyclic number.

It is not a de Polignac number, because 50561329 - 2¹⁷ = 50430257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50561329.

It is not an unprimeable number, because it can be changed into a prime (50561339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15927 + ... + 18835.

It is an arithmetic number, because the mean of its divisors is an integer number (3911040).

Almost surely, 2^50561329 is an apocalyptic number.

It is an amenable number.

50561329 is a deficient number, since it is larger than the sum of its proper divisors (12015311).

50561329 is a wasteful number, since it uses less digits than its factorization.

50561329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 50561329 is about 7110.6489858521. The cubic root of 50561329 is about 369.7766584922.

The spelling of 50561329 in words is "fifty million, five hundred sixty-one thousand, three hundred twenty-nine".