50531647 has 2 divisors, whose sum is σ = 50531648. Its totient is φ = 50531646.

The previous prime is 50531641. The next prime is 50531669. The reversal of 50531647 is 74613505.

50531647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50531647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50531641) 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 as a sum of consecutive naturals, namely, 25265823 + 25265824.

It is an arithmetic number, because the mean of its divisors is an integer number (25265824).

Almost surely, 2^50531647 is an apocalyptic number.

50531647 is a deficient number, since it is larger than the sum of its proper divisors (1).

50531647 is an equidigital number, since it uses as much as digits as its factorization.

50531647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 50531647 is about 7108.5615281856. The cubic root of 50531647 is about 369.7042852677.

The spelling of 50531647 in words is "fifty million, five hundred thirty-one thousand, six hundred forty-seven".