50215103 has 4 divisors (see below), whose sum is σ = 50470200. Its totient is φ = 49960008.

The previous prime is 50215097. The next prime is 50215117. The reversal of 50215103 is 30151205.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50215103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50215303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127253 + ... + 127646.

It is an arithmetic number, because the mean of its divisors is an integer number (12617550).

Almost surely, 2^50215103 is an apocalyptic number.

50215103 is a deficient number, since it is larger than the sum of its proper divisors (255097).

50215103 is a wasteful number, since it uses less digits than its factorization.

50215103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255096.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 50215103 is about 7086.2615672864. The cubic root of 50215103 is about 368.9306915653.

Adding to 50215103 its reverse (30151205), we get a palindrome (80366308).

The spelling of 50215103 in words is "fifty million, two hundred fifteen thousand, one hundred three".