50247918 has 64 divisors (see below), whose sum is σ = 128325120. Its totient is φ = 14276736.

The previous prime is 50247917. The next prime is 50247929. The reversal of 50247918 is 81974205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50247917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115830 + ... + 116262.

It is an arithmetic number, because the mean of its divisors is an integer number (2005080).

Almost surely, 2^50247918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50247918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64162560).

50247918 is an abundant number, since it is smaller than the sum of its proper divisors (78077202).

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

50247918 is a wasteful number, since it uses less digits than its factorization.

50247918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 50247918 is about 7088.5765849005. The cubic root of 50247918 is about 369.0110380729.

The spelling of 50247918 in words is "fifty million, two hundred forty-seven thousand, nine hundred eighteen".