50403210 has 128 divisors (see below), whose sum is σ = 147087360. Its totient is φ = 10886400.

The previous prime is 50403209. The next prime is 50403239. The reversal of 50403210 is 1230405.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50403210.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 132801 + ... + 133179.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 2^50403210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50403210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73543680).

50403210 is an abundant number, since it is smaller than the sum of its proper divisors (96684150).

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

50403210 is a wasteful number, since it uses less digits than its factorization.

50403210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 50403210 is about 7099.5218148830. The cubic root of 50403210 is about 369.3907919817.

Adding to 50403210 its reverse (1230405), we get a palindrome (51633615).

The spelling of 50403210 in words is "fifty million, four hundred three thousand, two hundred ten".