50865533 has 2 divisors, whose sum is σ = 50865534. Its totient is φ = 50865532.

The previous prime is 50865523. The next prime is 50865569. The reversal of 50865533 is 33556805.

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., 47844889 + 3020644 = 6917^2 + 1738^2 .

It is a cyclic number.

It is not a de Polignac number, because 50865533 - 2⁶ = 50865469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50865493 and 50865502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50865523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25432766 + 25432767.

It is an arithmetic number, because the mean of its divisors is an integer number (25432767).

Almost surely, 2^50865533 is an apocalyptic number.

It is an amenable number.

50865533 is a deficient number, since it is larger than the sum of its proper divisors (1).

50865533 is an equidigital number, since it uses as much as digits as its factorization.

50865533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 50865533 is about 7132.0076416112. The cubic root of 50865533 is about 370.5167675625.

The spelling of 50865533 in words is "fifty million, eight hundred sixty-five thousand, five hundred thirty-three".