50785917 has 32 divisors (see below), whose sum is σ = 87736320. Its totient is φ = 25375680.

The previous prime is 50785913. The next prime is 50785927. The reversal of 50785917 is 71958705.

It is not a de Polignac number, because 50785917 - 2² = 50785913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50785913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 292 + ... + 10082.

It is an arithmetic number, because the mean of its divisors is an integer number (2741760).

Almost surely, 2^50785917 is an apocalyptic number.

50785917 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

50785917 is a deficient number, since it is larger than the sum of its proper divisors (36950403).

50785917 is a wasteful number, since it uses less digits than its factorization.

50785917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9833.

The product of its (nonzero) digits is 88200, while the sum is 42.

The square root of 50785917 is about 7126.4238577284. The cubic root of 50785917 is about 370.3233525884.

The spelling of 50785917 in words is "fifty million, seven hundred eighty-five thousand, nine hundred seventeen".