50900309 has 2 divisors, whose sum is σ = 50900310. Its totient is φ = 50900308.

The previous prime is 50900287. The next prime is 50900321. The reversal of 50900309 is 90300905.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50367409 + 532900 = 7097^2 + 730^2 .

It is a cyclic number.

It is not a de Polignac number, because 50900309 - 2¹² = 50896213 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50900359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25450154 + 25450155.

It is an arithmetic number, because the mean of its divisors is an integer number (25450155).

Almost surely, 2^50900309 is an apocalyptic number.

It is an amenable number.

50900309 is a deficient number, since it is larger than the sum of its proper divisors (1).

50900309 is an equidigital number, since it uses as much as digits as its factorization.

50900309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 26.

The square root of 50900309 is about 7134.4452482306. The cubic root of 50900309 is about 370.6011872407.

The spelling of 50900309 in words is "fifty million, nine hundred thousand, three hundred nine".