50213609 has 2 divisors, whose sum is σ = 50213610. Its totient is φ = 50213608.

The previous prime is 50213593. The next prime is 50213629. The reversal of 50213609 is 90631205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50197225 + 16384 = 7085^2 + 128^2 .

It is a cyclic number.

It is not a de Polignac number, because 50213609 - 2⁴ = 50213593 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50213629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25106804 + 25106805.

It is an arithmetic number, because the mean of its divisors is an integer number (25106805).

Almost surely, 2^50213609 is an apocalyptic number.

It is an amenable number.

50213609 is a deficient number, since it is larger than the sum of its proper divisors (1).

50213609 is an equidigital number, since it uses as much as digits as its factorization.

50213609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 50213609 is about 7086.1561512572. The cubic root of 50213609 is about 368.9270327198.

The spelling of 50213609 in words is "fifty million, two hundred thirteen thousand, six hundred nine".