50648869 has 4 divisors (see below), whose sum is σ = 50663520. Its totient is φ = 50634220.

The previous prime is 50648861. The next prime is 50648879. The reversal of 50648869 is 96884605.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 96884605 = 5 ⋅19376921.

It is a cyclic number.

It is not a de Polignac number, because 50648869 - 2³ = 50648861 is a prime.

It is a super-2 number, since 2×50648869² = 5130615861958322, 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 (50648861) 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, 1062 + ... + 10120.

It is an arithmetic number, because the mean of its divisors is an integer number (12665880).

Almost surely, 2^50648869 is an apocalyptic number.

It is an amenable number.

50648869 is a deficient number, since it is larger than the sum of its proper divisors (14651).

50648869 is an equidigital number, since it uses as much as digits as its factorization.

50648869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14650.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 50648869 is about 7116.8018800582. The cubic root of 50648869 is about 369.9899412897.

The spelling of 50648869 in words is "fifty million, six hundred forty-eight thousand, eight hundred sixty-nine".