50038661 has 2 divisors, whose sum is σ = 50038662. Its totient is φ = 50038660.

The previous prime is 50038613. The next prime is 50038673. The reversal of 50038661 is 16683005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47128225 + 2910436 = 6865^2 + 1706^2 .

It is a cyclic number.

It is not a de Polignac number, because 50038661 - 2¹⁴ = 50022277 is a prime.

It is a Sophie Germain prime.

It is a Chen 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 (50034661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25019330 + 25019331.

It is an arithmetic number, because the mean of its divisors is an integer number (25019331).

Almost surely, 2^50038661 is an apocalyptic number.

50038661 is the 3164-th centered decagonal number.

It is an amenable number.

50038661 is a deficient number, since it is larger than the sum of its proper divisors (1).

50038661 is an equidigital number, since it uses as much as digits as its factorization.

50038661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 50038661 is about 7073.8010291497. The cubic root of 50038661 is about 368.4980776294.

The spelling of 50038661 in words is "fifty million, thirty-eight thousand, six hundred sixty-one".