50348521 has 4 divisors (see below), whose sum is σ = 50415444. Its totient is φ = 50281600.

The previous prime is 50348497. The next prime is 50348531. The reversal of 50348521 is 12584305.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21576025 + 28772496 = 4645^2 + 5364^2 .

It is a cyclic number.

It is not a de Polignac number, because 50348521 - 2¹¹ = 50346473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50348521.

It is not an unprimeable number, because it can be changed into a prime (50348531) 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, 32320 + ... + 33841.

It is an arithmetic number, because the mean of its divisors is an integer number (12603861).

Almost surely, 2^50348521 is an apocalyptic number.

It is an amenable number.

50348521 is a deficient number, since it is larger than the sum of its proper divisors (66923).

50348521 is an equidigital number, since it uses as much as digits as its factorization.

50348521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66922.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 50348521 is about 7095.6691721077. The cubic root of 50348521 is about 369.2571435899.

It can be divided in two parts, 503485 and 21, that added together give a triangular number (503506 = T₁₀₀₃).

The spelling of 50348521 in words is "fifty million, three hundred forty-eight thousand, five hundred twenty-one".