50218090 has 32 divisors (see below), whose sum is σ = 99429120. Its totient is φ = 18145344.

The previous prime is 50218081. The next prime is 50218093. The reversal of 50218090 is 9081205.

It is not an unprimeable number, because it can be changed into a prime (50218093) 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, 2001 + ... + 10219.

It is an arithmetic number, because the mean of its divisors is an integer number (3107160).

Almost surely, 2^50218090 is an apocalyptic number.

50218090 is a deficient number, since it is larger than the sum of its proper divisors (49211030).

50218090 is a wasteful number, since it uses less digits than its factorization.

50218090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8286.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 50218090 is about 7086.4723240834. The cubic root of 50218090 is about 368.9380065898.

Adding to 50218090 its reverse (9081205), we get a palindrome (59299295).

The spelling of 50218090 in words is "fifty million, two hundred eighteen thousand, ninety".