50528869 has 4 divisors (see below), whose sum is σ = 50608096. Its totient is φ = 50449644.

The previous prime is 50528867. The next prime is 50528887. The reversal of 50528869 is 96882505.

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: 96882505 = 5 ⋅19376501.

It is a cyclic number.

It is not a de Polignac number, because 50528869 - 2¹ = 50528867 is a prime.

It is a super-2 number, since 2×50528869² = 5106333204838322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50528867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38649 + ... + 39934.

It is an arithmetic number, because the mean of its divisors is an integer number (12652024).

Almost surely, 2^50528869 is an apocalyptic number.

It is an amenable number.

50528869 is a deficient number, since it is larger than the sum of its proper divisors (79227).

50528869 is an equidigital number, since it uses as much as digits as its factorization.

50528869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79226.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 50528869 is about 7108.3661273179. The cubic root of 50528869 is about 369.6975102572.

The spelling of 50528869 in words is "fifty million, five hundred twenty-eight thousand, eight hundred sixty-nine".