50870305 has 4 divisors (see below), whose sum is σ = 61044372. Its totient is φ = 40696240.

The previous prime is 50870297. The next prime is 50870311. The reversal of 50870305 is 50307805.

50870305 is nontrivially palindromic in base 3.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50307805 = 5 ⋅10061561.

It can be written as a sum of positive squares in 2 ways, for example, as 20223009 + 30647296 = 4497^2 + 5536^2 .

It is not a de Polignac number, because 50870305 - 2³ = 50870297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5087026 + ... + 5087035.

It is an arithmetic number, because the mean of its divisors is an integer number (15261093).

Almost surely, 2^50870305 is an apocalyptic number.

It is an amenable number.

50870305 is a deficient number, since it is larger than the sum of its proper divisors (10174067).

50870305 is a wasteful number, since it uses less digits than its factorization.

50870305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10174066.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 50870305 is about 7132.3421819203. The cubic root of 50870305 is about 370.5283539985.

Subtracting from 50870305 its reverse (50307805), we obtain a square (562500 = 750²).

The spelling of 50870305 in words is "fifty million, eight hundred seventy thousand, three hundred five".