50631785 has 4 divisors (see below), whose sum is σ = 60758148. Its totient is φ = 40505424.

The previous prime is 50631781. The next prime is 50631787. The reversal of 50631785 is 58713605.

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 26739241 + 23892544 = 5171^2 + 4888^2 .

It is a cyclic number.

It is not a de Polignac number, because 50631785 - 2² = 50631781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50631781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5063174 + ... + 5063183.

It is an arithmetic number, because the mean of its divisors is an integer number (15189537).

Almost surely, 2^50631785 is an apocalyptic number.

It is an amenable number.

50631785 is a deficient number, since it is larger than the sum of its proper divisors (10126363).

50631785 is a wasteful number, since it uses less digits than its factorization.

50631785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10126362.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 50631785 is about 7115.6015206025. The cubic root of 50631785 is about 369.9483370769.

The spelling of 50631785 in words is "fifty million, six hundred thirty-one thousand, seven hundred eighty-five".