50422729 has 4 divisors (see below), whose sum is σ = 57625984. Its totient is φ = 43219476.

The previous prime is 50422727. The next prime is 50422733. The reversal of 50422729 is 92722405.

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 a cyclic number.

It is not a de Polignac number, because 50422729 - 2¹ = 50422727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50422729.

It is not an unprimeable number, because it can be changed into a prime (50422721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3601617 + ... + 3601630.

It is an arithmetic number, because the mean of its divisors is an integer number (14406496).

Almost surely, 2^50422729 is an apocalyptic number.

It is an amenable number.

50422729 is a deficient number, since it is larger than the sum of its proper divisors (7203255).

50422729 is an equidigital number, since it uses as much as digits as its factorization.

50422729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7203254.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 50422729 is about 7100.8963518700. The cubic root of 50422729 is about 369.4384688945.

The spelling of 50422729 in words is "fifty million, four hundred twenty-two thousand, seven hundred twenty-nine".