50515229 has 2 divisors, whose sum is σ = 50515230. Its totient is φ = 50515228.

The previous prime is 50515193. The next prime is 50515247. The reversal of 50515229 is 92251505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36060025 + 14455204 = 6005^2 + 3802^2 .

It is a cyclic number.

It is not a de Polignac number, because 50515229 - 2²⁰ = 49466653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50515529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25257614 + 25257615.

It is an arithmetic number, because the mean of its divisors is an integer number (25257615).

Almost surely, 2^50515229 is an apocalyptic number.

It is an amenable number.

50515229 is a deficient number, since it is larger than the sum of its proper divisors (1).

50515229 is an equidigital number, since it uses as much as digits as its factorization.

50515229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 50515229 is about 7107.4066297068. The cubic root of 50515229 is about 369.6642413032.

The spelling of 50515229 in words is "fifty million, five hundred fifteen thousand, two hundred twenty-nine".