50656505 has 4 divisors (see below), whose sum is σ = 60787812. Its totient is φ = 40525200.

The previous prime is 50656493. The next prime is 50656531. The reversal of 50656505 is 50565605.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50565605 = 5 ⋅10113121.

It can be written as a sum of positive squares in 2 ways, for example, as 34245904 + 16410601 = 5852^2 + 4051^2 .

It is not a de Polignac number, because 50656505 - 2²⁴ = 33879289 is a prime.

It is a Duffinian number.

It is a Curzon 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, 5065646 + ... + 5065655.

It is an arithmetic number, because the mean of its divisors is an integer number (15196953).

Almost surely, 2^50656505 is an apocalyptic number.

It is an amenable number.

50656505 is a deficient number, since it is larger than the sum of its proper divisors (10131307).

50656505 is a wasteful number, since it uses less digits than its factorization.

50656505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10131306.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 50656505 is about 7117.3383367661. The cubic root of 50656505 is about 370.0085340130.

The spelling of 50656505 in words is "fifty million, six hundred fifty-six thousand, five hundred five".