50217030 has 64 divisors (see below), whose sum is σ = 136152000. Its totient is φ = 13167360.

The previous prime is 50217001. The next prime is 50217047. The reversal of 50217030 is 3071205.

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

It is a junction number, because it is equal to n+sod(n) for n = 50216994 and 50217012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14946 + ... + 17994.

It is an arithmetic number, because the mean of its divisors is an integer number (2127375).

Almost surely, 2^50217030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50217030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68076000).

50217030 is an abundant number, since it is smaller than the sum of its proper divisors (85934970).

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

50217030 is a wasteful number, since it uses less digits than its factorization.

50217030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3126 (or 3120 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 50217030 is about 7086.3975333028. The cubic root of 50217030 is about 368.9354107322.

Adding to 50217030 its reverse (3071205), we get a palindrome (53288235).

The spelling of 50217030 in words is "fifty million, two hundred seventeen thousand, thirty".