50342021 has 4 divisors (see below), whose sum is σ = 50520192. Its totient is φ = 50163852.

The previous prime is 50342011. The next prime is 50342059. The reversal of 50342021 is 12024305.

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 50342021 - 2⁶ = 50341957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50342011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88661 + ... + 89226.

It is an arithmetic number, because the mean of its divisors is an integer number (12630048).

Almost surely, 2^50342021 is an apocalyptic number.

It is an amenable number.

50342021 is a deficient number, since it is larger than the sum of its proper divisors (178171).

50342021 is a wasteful number, since it uses less digits than its factorization.

50342021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178170.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 50342021 is about 7095.2111314604. The cubic root of 50342021 is about 369.2412525258.

Adding to 50342021 its reverse (12024305), we get a palindrome (62366326).

It can be divided in two parts, 503 and 42021, that added together give a palindrome (42524).

The spelling of 50342021 in words is "fifty million, three hundred forty-two thousand, twenty-one".