50409585 has 24 divisors (see below), whose sum is σ = 87744384. Its totient is φ = 26772000.

The previous prime is 50409581. The next prime is 50409617. The reversal of 50409585 is 58590405.

It is a happy number.

It is not a de Polignac number, because 50409585 - 2² = 50409581 is a prime.

It is a super-2 number, since 2×50409585² = 5082252519744450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (50409581) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9064 + ... + 13526.

It is an arithmetic number, because the mean of its divisors is an integer number (3656016).

Almost surely, 2^50409585 is an apocalyptic number.

It is an amenable number.

50409585 is a deficient number, since it is larger than the sum of its proper divisors (37334799).

50409585 is a wasteful number, since it uses less digits than its factorization.

50409585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725 (or 4722 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 50409585 is about 7099.9707745877. The cubic root of 50409585 is about 369.4063648459.

The spelling of 50409585 in words is "fifty million, four hundred nine thousand, five hundred eighty-five".