50386669 has 4 divisors (see below), whose sum is σ = 51558496. Its totient is φ = 49214844.

The previous prime is 50386643. The next prime is 50386681. The reversal of 50386669 is 96668305.

50386669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 96668305 = 5 ⋅19333661.

It is a cyclic number.

It is not a de Polignac number, because 50386669 - 2⁷ = 50386541 is a prime.

It is a super-2 number, since 2×50386669² = 5077632825831122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 1171783 = 50386669 / (5 + 0 + 3 + 8 + 6 + 6 + 6 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50386639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585849 + ... + 585934.

It is an arithmetic number, because the mean of its divisors is an integer number (12889624).

Almost surely, 2^50386669 is an apocalyptic number.

It is an amenable number.

50386669 is a deficient number, since it is larger than the sum of its proper divisors (1171827).

50386669 is a wasteful number, since it uses less digits than its factorization.

50386669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171826.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 50386669 is about 7098.3567816784. The cubic root of 50386669 is about 369.3503794657.

The spelling of 50386669 in words is "fifty million, three hundred eighty-six thousand, six hundred sixty-nine".