50731785 has 64 divisors (see below), whose sum is σ = 98300160. Its totient is φ = 24675840.

The previous prime is 50731783. The next prime is 50731867. The reversal of 50731785 is 58713705.

It is not a de Polignac number, because 50731785 - 2¹ = 50731783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50731781) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 240330 + ... + 240540.

It is an arithmetic number, because the mean of its divisors is an integer number (1535940).

Almost surely, 2^50731785 is an apocalyptic number.

It is an amenable number.

50731785 is a deficient number, since it is larger than the sum of its proper divisors (47568375).

50731785 is a wasteful number, since it uses less digits than its factorization.

50731785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 50731785 is about 7122.6248672803. The cubic root of 50731785 is about 370.1917316489.

The spelling of 50731785 in words is "fifty million, seven hundred thirty-one thousand, seven hundred eighty-five".