50705905 has 4 divisors (see below), whose sum is σ = 60847092. Its totient is φ = 40564720.

The previous prime is 50705899. The next prime is 50705929. The reversal of 50705905 is 50950705.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32524209 + 18181696 = 5703^2 + 4264^2 .

It is not a de Polignac number, because 50705905 - 2¹⁵ = 50673137 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, 5070586 + ... + 5070595.

It is an arithmetic number, because the mean of its divisors is an integer number (15211773).

Almost surely, 2^50705905 is an apocalyptic number.

It is an amenable number.

50705905 is a deficient number, since it is larger than the sum of its proper divisors (10141187).

50705905 is a wasteful number, since it uses less digits than its factorization.

50705905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10141186.

The product of its (nonzero) digits is 7875, while the sum is 31.

The square root of 50705905 is about 7120.8078895586. The cubic root of 50705905 is about 370.1287718326.

The spelling of 50705905 in words is "fifty million, seven hundred five thousand, nine hundred five".