50330521 has 2 divisors, whose sum is σ = 50330522. Its totient is φ = 50330520.

The previous prime is 50330519. The next prime is 50330531. The reversal of 50330521 is 12503305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36905625 + 13424896 = 6075^2 + 3664^2 .

It is a cyclic number.

It is not a de Polignac number, because 50330521 - 2¹ = 50330519 is a prime.

It is a super-2 number, since 2×50330521² = 5066322688262882, which contains 22 as substring.

Together with 50330519, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50330531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25165260 + 25165261.

It is an arithmetic number, because the mean of its divisors is an integer number (25165261).

Almost surely, 2^50330521 is an apocalyptic number.

It is an amenable number.

50330521 is a deficient number, since it is larger than the sum of its proper divisors (1).

50330521 is an equidigital number, since it uses as much as digits as its factorization.

50330521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 50330521 is about 7094.4006794091. The cubic root of 50330521 is about 369.2131342149.

Adding to 50330521 its reverse (12503305), we get a palindrome (62833826).

The spelling of 50330521 in words is "fifty million, three hundred thirty thousand, five hundred twenty-one".