50215100 has 108 divisors (see below), whose sum is σ = 125007624. Its totient is φ = 17400960.

The previous prime is 50215097. The next prime is 50215117. The reversal of 50215100 is 151205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 469247 + ... + 469353.

It is an arithmetic number, because the mean of its divisors is an integer number (1157478).

Almost surely, 2^50215100 is an apocalyptic number.

50215100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50215100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62503812).

50215100 is an abundant number, since it is smaller than the sum of its proper divisors (74792524).

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

50215100 is a wasteful number, since it uses less digits than its factorization.

50215100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 50215100 is about 7086.2613556092. The cubic root of 50215100 is about 368.9306842183.

Adding to 50215100 its reverse (151205), we get a palindrome (50366305).

The spelling of 50215100 in words is "fifty million, two hundred fifteen thousand, one hundred".