50985585 has 64 divisors (see below), whose sum is σ = 104540160. Its totient is φ = 23094720.

The previous prime is 50985577. The next prime is 50985611. The reversal of 50985585 is 58558905.

50985585 is a `hidden beast` number, since 5 + 0 + 98 + 558 + 5 = 666.

It is not a de Polignac number, because 50985585 - 2³ = 50985577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 50985585.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 153870 + ... + 154200.

It is an arithmetic number, because the mean of its divisors is an integer number (1633440).

Almost surely, 2^50985585 is an apocalyptic number.

It is an amenable number.

50985585 is an abundant number, since it is smaller than the sum of its proper divisors (53554575).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50985585 is a wasteful number, since it uses less digits than its factorization.

50985585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 45.

The square root of 50985585 is about 7140.4191053467. The cubic root of 50985585 is about 370.8080344087.

The spelling of 50985585 in words is "fifty million, nine hundred eighty-five thousand, five hundred eighty-five".