50931994 has 16 divisors (see below), whose sum is σ = 77616000. Its totient is φ = 25063344.

The previous prime is 50931961. The next prime is 50931997. The reversal of 50931994 is 49913905.

It is not an unprimeable number, because it can be changed into a prime (50931997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35707 + ... + 37105.

It is an arithmetic number, because the mean of its divisors is an integer number (4851000).

Almost surely, 2^50931994 is an apocalyptic number.

50931994 is a deficient number, since it is larger than the sum of its proper divisors (26684006).

50931994 is a wasteful number, since it uses less digits than its factorization.

50931994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 50931994 is about 7136.6654678498. The cubic root of 50931994 is about 370.6780699627.

The spelling of 50931994 in words is "fifty million, nine hundred thirty-one thousand, nine hundred ninety-four".