50861747 has 2 divisors, whose sum is σ = 50861748. Its totient is φ = 50861746.

The previous prime is 50861743. The next prime is 50861749. The reversal of 50861747 is 74716805.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50861747 - 2² = 50861743 is a prime.

Together with 50861749, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50861747.

It is not a weakly prime, because it can be changed into another prime (50861743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25430873 + 25430874.

It is an arithmetic number, because the mean of its divisors is an integer number (25430874).

Almost surely, 2^50861747 is an apocalyptic number.

50861747 is a deficient number, since it is larger than the sum of its proper divisors (1).

50861747 is an equidigital number, since it uses as much as digits as its factorization.

50861747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 50861747 is about 7131.7422135128. The cubic root of 50861747 is about 370.5075746231.

The spelling of 50861747 in words is "fifty million, eight hundred sixty-one thousand, seven hundred forty-seven".