50966381 has 2 divisors, whose sum is σ = 50966382. Its totient is φ = 50966380.

The previous prime is 50966371. The next prime is 50966389. The reversal of 50966381 is 18366905.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48177481 + 2788900 = 6941^2 + 1670^2 .

It is a cyclic number.

It is not a de Polignac number, because 50966381 - 2¹⁰ = 50965357 is a prime.

It is a super-2 number, since 2×50966381² = 5195143984474322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50966389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25483190 + 25483191.

It is an arithmetic number, because the mean of its divisors is an integer number (25483191).

Almost surely, 2^50966381 is an apocalyptic number.

It is an amenable number.

50966381 is a deficient number, since it is larger than the sum of its proper divisors (1).

50966381 is an equidigital number, since it uses as much as digits as its factorization.

50966381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 50966381 is about 7139.0742397036. The cubic root of 50966381 is about 370.7614729363.

The spelling of 50966381 in words is "fifty million, nine hundred sixty-six thousand, three hundred eighty-one".