50210129 has 4 divisors (see below), whose sum is σ = 53163684. Its totient is φ = 47256576.

The previous prime is 50210101. The next prime is 50210159. The reversal of 50210129 is 92101205.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21641104 + 28569025 = 4652^2 + 5345^2 .

It is a cyclic number.

It is not a de Polignac number, because 50210129 - 2¹⁶ = 50144593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50210129.

It is not an unprimeable number, because it can be changed into a prime (50210159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1476752 + ... + 1476785.

It is an arithmetic number, because the mean of its divisors is an integer number (13290921).

Almost surely, 2^50210129 is an apocalyptic number.

It is an amenable number.

50210129 is a deficient number, since it is larger than the sum of its proper divisors (2953555).

50210129 is a wasteful number, since it uses less digits than its factorization.

50210129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953554.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 50210129 is about 7085.9105977990. The cubic root of 50210129 is about 368.9185098262.

The spelling of 50210129 in words is "fifty million, two hundred ten thousand, one hundred twenty-nine".