50313521 has 8 divisors (see below), whose sum is σ = 52678080. Its totient is φ = 47990992.

The previous prime is 50313517. The next prime is 50313533. The reversal of 50313521 is 12531305.

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 50313521 - 2² = 50313517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50313493 and 50313502.

It is not an unprimeable number, because it can be changed into a prime (50313551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8045 + ... + 12858.

It is an arithmetic number, because the mean of its divisors is an integer number (6584760).

Almost surely, 2^50313521 is an apocalyptic number.

It is an amenable number.

50313521 is a deficient number, since it is larger than the sum of its proper divisors (2364559).

50313521 is a wasteful number, since it uses less digits than its factorization.

50313521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21015.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 50313521 is about 7093.2024502336. The cubic root of 50313521 is about 369.1715601696.

Adding to 50313521 its reverse (12531305), we get a palindrome (62844826).

The spelling of 50313521 in words is "fifty million, three hundred thirteen thousand, five hundred twenty-one".