50433389 has 2 divisors, whose sum is σ = 50433390. Its totient is φ = 50433388.

The previous prime is 50433343. The next prime is 50433401. The reversal of 50433389 is 98333405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37724164 + 12709225 = 6142^2 + 3565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50433389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50433329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25216694 + 25216695.

It is an arithmetic number, because the mean of its divisors is an integer number (25216695).

Almost surely, 2^50433389 is an apocalyptic number.

It is an amenable number.

50433389 is a deficient number, since it is larger than the sum of its proper divisors (1).

50433389 is an equidigital number, since it uses as much as digits as its factorization.

50433389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 50433389 is about 7101.6469216654. The cubic root of 50433389 is about 369.4645017086.

The spelling of 50433389 in words is "fifty million, four hundred thirty-three thousand, three hundred eighty-nine".