50421718 has 16 divisors (see below), whose sum is σ = 77797440. Its totient is φ = 24494400.

The previous prime is 50421689. The next prime is 50421719. The reversal of 50421718 is 81712405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50421719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21088 + ... + 23356.

It is an arithmetic number, because the mean of its divisors is an integer number (4862340).

Almost surely, 2^50421718 is an apocalyptic number.

50421718 is a deficient number, since it is larger than the sum of its proper divisors (27375722).

50421718 is a wasteful number, since it uses less digits than its factorization.

50421718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 50421718 is about 7100.8251633173. The cubic root of 50421718 is about 369.4359997383.

It can be divided in two parts, 504 and 21718, that added together give a palindrome (22222).

The spelling of 50421718 in words is "fifty million, four hundred twenty-one thousand, seven hundred eighteen".