50729 has 4 divisors (see below), whose sum is σ = 57984. Its totient is φ = 43476.

The previous prime is 50723. The next prime is 50741. The reversal of 50729 is 92705.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92705 = 5 ⋅18541.

It is a cyclic number.

It is not a de Polignac number, because 50729 - 2¹² = 46633 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3617 + ... + 3630.

It is an arithmetic number, because the mean of its divisors is an integer number (14496).

2⁵⁰⁷²⁹ is an apocalyptic number.

It is an amenable number.

50729 is a deficient number, since it is larger than the sum of its proper divisors (7255).

50729 is an equidigital number, since it uses as much as digits as its factorization.

50729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7254.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 50729 is about 225.2309925388. The cubic root of 50729 is about 37.0184957442.

The spelling of 50729 in words is "fifty thousand, seven hundred twenty-nine".