50121210 has 32 divisors (see below), whose sum is σ = 121746240. Its totient is φ = 13203968.

The previous prime is 50121191. The next prime is 50121217. The reversal of 50121210 is 1212105.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (50121217) 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 15 ways as a sum of consecutive naturals, for example, 7575 + ... + 12554.

It is an arithmetic number, because the mean of its divisors is an integer number (3804570).

Almost surely, 2^50121210 is an apocalyptic number.

50121210 is an abundant number, since it is smaller than the sum of its proper divisors (71625030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50121210 is a wasteful number, since it uses less digits than its factorization.

50121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20222.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 50121210 is about 7079.6334650884. The cubic root of 50121210 is about 368.7006039359.

Adding to 50121210 its reverse (1212105), we get a palindrome (51333315).

The spelling of 50121210 in words is "fifty million, one hundred twenty-one thousand, two hundred ten".