50870385 has 24 divisors (see below), whose sum is σ = 88344360. Its totient is φ = 27078912.

The previous prime is 50870363. The next prime is 50870387. The reversal of 50870385 is 58307805.

It is a happy number.

50870385 is a `hidden beast` number, since 508 + 70 + 3 + 85 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 20034576 + 30835809 = 4476^2 + 5553^2 .

It is not a de Polignac number, because 50870385 - 2⁷ = 50870257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50870387) 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, 38821 + ... + 40109.

It is an arithmetic number, because the mean of its divisors is an integer number (3681015).

Almost surely, 2^50870385 is an apocalyptic number.

It is an amenable number.

50870385 is a deficient number, since it is larger than the sum of its proper divisors (37473975).

50870385 is a wasteful number, since it uses less digits than its factorization.

50870385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177 (or 2174 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 50870385 is about 7132.3477901740. The cubic root of 50870385 is about 370.5285482327.

The spelling of 50870385 in words is "fifty million, eight hundred seventy thousand, three hundred eighty-five".