50278133 has 2 divisors, whose sum is σ = 50278134. Its totient is φ = 50278132.

The previous prime is 50278127. The next prime is 50278139. The reversal of 50278133 is 33187205.

It is a balanced prime because it is at equal distance from previous prime (50278127) and next prime (50278139).

It can be written as a sum of positive squares in only one way, i.e., 44863204 + 5414929 = 6698^2 + 2327^2 .

It is a cyclic number.

It is not a de Polignac number, because 50278133 - 2¹⁴ = 50261749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50278096 and 50278105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50278139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25139066 + 25139067.

It is an arithmetic number, because the mean of its divisors is an integer number (25139067).

Almost surely, 2^50278133 is an apocalyptic number.

It is an amenable number.

50278133 is a deficient number, since it is larger than the sum of its proper divisors (1).

50278133 is an equidigital number, since it uses as much as digits as its factorization.

50278133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 50278133 is about 7090.7075105380. The cubic root of 50278133 is about 369.0849876339.

The spelling of 50278133 in words is "fifty million, two hundred seventy-eight thousand, one hundred thirty-three".