50786129 has 2 divisors, whose sum is σ = 50786130. Its totient is φ = 50786128.

The previous prime is 50786117. The next prime is 50786143. The reversal of 50786129 is 92168705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27040000 + 23746129 = 5200^2 + 4873^2 .

It is a cyclic number.

It is not a de Polignac number, because 50786129 - 2¹² = 50782033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50786092 and 50786101.

It is not a weakly prime, because it can be changed into another prime (50786149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25393064 + 25393065.

It is an arithmetic number, because the mean of its divisors is an integer number (25393065).

Almost surely, 2^50786129 is an apocalyptic number.

It is an amenable number.

50786129 is a deficient number, since it is larger than the sum of its proper divisors (1).

50786129 is an equidigital number, since it uses as much as digits as its factorization.

50786129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 50786129 is about 7126.4387319334. The cubic root of 50786129 is about 370.3238678785.

The spelling of 50786129 in words is "fifty million, seven hundred eighty-six thousand, one hundred twenty-nine".