50315021 has 8 divisors (see below), whose sum is σ = 53635200. Its totient is φ = 47062080.

The previous prime is 50315011. The next prime is 50315071. The reversal of 50315021 is 12051305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50315021 - 2¹⁴ = 50298637 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 (50315011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15260 + ... + 18261.

It is an arithmetic number, because the mean of its divisors is an integer number (6704400).

Almost surely, 2^50315021 is an apocalyptic number.

It is an amenable number.

50315021 is a deficient number, since it is larger than the sum of its proper divisors (3320179).

50315021 is a wasteful number, since it uses less digits than its factorization.

50315021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33619.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 50315021 is about 7093.3081844792. The cubic root of 50315021 is about 369.1752288443.

Adding to 50315021 its reverse (12051305), we get a palindrome (62366326).

The spelling of 50315021 in words is "fifty million, three hundred fifteen thousand, twenty-one".