50242251 has 16 divisors (see below), whose sum is σ = 71850240. Its totient is φ = 31131360.

The previous prime is 50242249. The next prime is 50242253. The reversal of 50242251 is 15224205.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (50242249) and next prime (50242253).

It is not a de Polignac number, because 50242251 - 2¹ = 50242249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50242253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5295 + ... + 11336.

It is an arithmetic number, because the mean of its divisors is an integer number (4490640).

Almost surely, 2^50242251 is an apocalyptic number.

50242251 is a deficient number, since it is larger than the sum of its proper divisors (21607989).

50242251 is a wasteful number, since it uses less digits than its factorization.

50242251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16706.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 50242251 is about 7088.1768459880. The cubic root of 50242251 is about 368.9971650989.

Adding to 50242251 its reverse (15224205), we get a palindrome (65466456).

The spelling of 50242251 in words is "fifty million, two hundred forty-two thousand, two hundred fifty-one".