50731947 has 32 divisors (see below), whose sum is σ = 86428160. Its totient is φ = 28810080.

The previous prime is 50731943. The next prime is 50731963. The reversal of 50731947 is 74913705.

It is a happy number.

50731947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50731947 - 2² = 50731943 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (50731943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33468 + ... + 34950.

It is an arithmetic number, because the mean of its divisors is an integer number (2700880).

Almost surely, 2^50731947 is an apocalyptic number.

50731947 is a deficient number, since it is larger than the sum of its proper divisors (35696213).

50731947 is a wasteful number, since it uses less digits than its factorization.

50731947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680 (or 1674 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 50731947 is about 7122.6362394832. The cubic root of 50731947 is about 370.1921256885.

The spelling of 50731947 in words is "fifty million, seven hundred thirty-one thousand, nine hundred forty-seven".