50109001 has 2 divisors, whose sum is σ = 50109002. Its totient is φ = 50109000.

The previous prime is 50108987. The next prime is 50109049. The reversal of 50109001 is 10090105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40653376 + 9455625 = 6376^2 + 3075^2 .

It is a cyclic number.

It is not a de Polignac number, because 50109001 - 2⁵ = 50108969 is a prime.

It is not a weakly prime, because it can be changed into another prime (50109091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25054500 + 25054501.

It is an arithmetic number, because the mean of its divisors is an integer number (25054501).

Almost surely, 2^50109001 is an apocalyptic number.

It is an amenable number.

50109001 is a deficient number, since it is larger than the sum of its proper divisors (1).

50109001 is an equidigital number, since it uses as much as digits as its factorization.

50109001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 50109001 is about 7078.7711504187. The cubic root of 50109001 is about 368.6706643074.

Adding to 50109001 its reverse (10090105), we get a palindrome (60199106).

The spelling of 50109001 in words is "fifty million, one hundred nine thousand, one".