50781229 has 2 divisors, whose sum is σ = 50781230. Its totient is φ = 50781228.

The previous prime is 50781223. The next prime is 50781239. The reversal of 50781229 is 92218705.

50781229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50737129 + 44100 = 7123^2 + 210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50781229 is a prime.

It is a super-3 number, since 3×50781229³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50781194 and 50781203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50781223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25390614 + 25390615.

It is an arithmetic number, because the mean of its divisors is an integer number (25390615).

Almost surely, 2^50781229 is an apocalyptic number.

It is an amenable number.

50781229 is a deficient number, since it is larger than the sum of its proper divisors (1).

50781229 is an equidigital number, since it uses as much as digits as its factorization.

50781229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 50781229 is about 7126.0949334120. The cubic root of 50781229 is about 370.3119575048.

The spelling of 50781229 in words is "fifty million, seven hundred eighty-one thousand, two hundred twenty-nine".