50005090 has 16 divisors (see below), whose sum is σ = 90387000. Its totient is φ = 19918080.

The previous prime is 50005079. The next prime is 50005091. The reversal of 50005090 is 9050005.

It can be written as a sum of positive squares in 4 ways, for example, as 32137561 + 17867529 = 5669^2 + 4227^2 .

It is not an unprimeable number, because it can be changed into a prime (50005091) 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, 7965 + ... + 12784.

Almost surely, 2^50005090 is an apocalyptic number.

50005090 is a deficient number, since it is larger than the sum of its proper divisors (40381910).

50005090 is a wasteful number, since it uses less digits than its factorization.

50005090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20997.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 50005090 is about 7071.4277200577. The cubic root of 50005090 is about 368.4156505867.

Adding to 50005090 its reverse (9050005), we get a palindrome (59055095).

The spelling of 50005090 in words is "fifty million, five thousand, ninety".