50172210 has 96 divisors (see below), whose sum is σ = 147655872. Its totient is φ = 12156480.

The previous prime is 50172209. The next prime is 50172263. The reversal of 50172210 is 1227105.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25792 + ... + 27668.

It is an arithmetic number, because the mean of its divisors is an integer number (1538082).

Almost surely, 2^50172210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50172210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73827936).

50172210 is an abundant number, since it is smaller than the sum of its proper divisors (97483662).

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

50172210 is a wasteful number, since it uses less digits than its factorization.

50172210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910 (or 1898 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 50172210 is about 7083.2344306821. The cubic root of 50172210 is about 368.8256165909.

Adding to 50172210 its reverse (1227105), we get a palindrome (51399315).

It can be divided in two parts, 5017 and 2210, that added together give a palindrome (7227).

The spelling of 50172210 in words is "fifty million, one hundred seventy-two thousand, two hundred ten".