50870609 has 4 divisors (see below), whose sum is σ = 50907120. Its totient is φ = 50834100.

The previous prime is 50870587. The next prime is 50870629. The reversal of 50870609 is 90607805.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50870609 - 2¹² = 50866513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50870629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16079 + ... + 18980.

It is an arithmetic number, because the mean of its divisors is an integer number (12726780).

Almost surely, 2^50870609 is an apocalyptic number.

It is an amenable number.

50870609 is a deficient number, since it is larger than the sum of its proper divisors (36511).

50870609 is a wasteful number, since it uses less digits than its factorization.

50870609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36510.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 50870609 is about 7132.3634932608. The cubic root of 50870609 is about 370.5290920872.

It can be divided in two parts, 508 and 70609, that added together give a palindrome (71117).

The spelling of 50870609 in words is "fifty million, eight hundred seventy thousand, six hundred nine".