50609569 has 4 divisors (see below), whose sum is σ = 50762800. Its totient is φ = 50456340.

The previous prime is 50609543. The next prime is 50609641. The reversal of 50609569 is 96590605.

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: 96590605 = 5 ⋅19318121.

It is a cyclic number.

It is not a de Polignac number, because 50609569 - 2⁷ = 50609441 is a prime.

It is a super-2 number, since 2×50609569² = 5122656948731522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50609509) 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, 76119 + ... + 76780.

It is an arithmetic number, because the mean of its divisors is an integer number (12690700).

Almost surely, 2^50609569 is an apocalyptic number.

It is an amenable number.

50609569 is a deficient number, since it is larger than the sum of its proper divisors (153231).

50609569 is a wasteful number, since it uses less digits than its factorization.

50609569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153230.

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 50609569 is about 7114.0402725877. The cubic root of 50609569 is about 369.8942210401.

The spelling of 50609569 in words is "fifty million, six hundred nine thousand, five hundred sixty-nine".