50215229 has 4 divisors (see below), whose sum is σ = 53169084. Its totient is φ = 47261376.

The previous prime is 50215213. The next prime is 50215259. The reversal of 50215229 is 92251205.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92251205 = 5 ⋅18450241.

It can be written as a sum of positive squares in 2 ways, for example, as 31922500 + 18292729 = 5650^2 + 4277^2 .

It is a cyclic number.

It is not a de Polignac number, because 50215229 - 2⁴ = 50215213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50215198 and 50215207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50215259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1476902 + ... + 1476935.

It is an arithmetic number, because the mean of its divisors is an integer number (13292271).

Almost surely, 2^50215229 is an apocalyptic number.

It is an amenable number.

50215229 is a deficient number, since it is larger than the sum of its proper divisors (2953855).

50215229 is a wasteful number, since it uses less digits than its factorization.

50215229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2953854.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 50215229 is about 7086.2704577232. The cubic root of 50215229 is about 368.9310001394.

The spelling of 50215229 in words is "fifty million, two hundred fifteen thousand, two hundred twenty-nine".