50821633 has 2 divisors, whose sum is σ = 50821634. Its totient is φ = 50821632.

The previous prime is 50821627. The next prime is 50821649. The reversal of 50821633 is 33612805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27279729 + 23541904 = 5223^2 + 4852^2 .

It is a cyclic number.

It is not a de Polignac number, because 50821633 - 2¹⁷ = 50690561 is a prime.

It is equal to p_3047473 and since 50821633 and 3047473 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (50821613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25410816 + 25410817.

It is an arithmetic number, because the mean of its divisors is an integer number (25410817).

Almost surely, 2^50821633 is an apocalyptic number.

It is an amenable number.

50821633 is a deficient number, since it is larger than the sum of its proper divisors (1).

50821633 is an equidigital number, since it uses as much as digits as its factorization.

50821633 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 28.

The square root of 50821633 is about 7128.9293024970. The cubic root of 50821633 is about 370.4101441655.

The spelling of 50821633 in words is "fifty million, eight hundred twenty-one thousand, six hundred thirty-three".