50990369 has 2 divisors, whose sum is σ = 50990370. Its totient is φ = 50990368.

The previous prime is 50990353. The next prime is 50990393. The reversal of 50990369 is 96309905.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26388769 + 24601600 = 5137^2 + 4960^2 .

It is a cyclic number.

It is not a de Polignac number, because 50990369 - 2⁴ = 50990353 is a prime.

It is a super-2 number, since 2×50990369² = 5200035461512322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50990869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25495184 + 25495185.

It is an arithmetic number, because the mean of its divisors is an integer number (25495185).

Almost surely, 2^50990369 is an apocalyptic number.

It is an amenable number.

50990369 is a deficient number, since it is larger than the sum of its proper divisors (1).

50990369 is an equidigital number, since it uses as much as digits as its factorization.

50990369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65610, while the sum is 41.

The square root of 50990369 is about 7140.7540918309. The cubic root of 50990369 is about 370.8196317400.

The spelling of 50990369 in words is "fifty million, nine hundred ninety thousand, three hundred sixty-nine".