50564497 has 2 divisors, whose sum is σ = 50564498. Its totient is φ = 50564496.

The previous prime is 50564473. The next prime is 50564543. The reversal of 50564497 is 79446505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49688401 + 876096 = 7049^2 + 936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50564497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50564467) 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, 25282248 + 25282249.

It is an arithmetic number, because the mean of its divisors is an integer number (25282249).

Almost surely, 2^50564497 is an apocalyptic number.

It is an amenable number.

50564497 is a deficient number, since it is larger than the sum of its proper divisors (1).

50564497 is an equidigital number, since it uses as much as digits as its factorization.

50564497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 50564497 is about 7110.8717468395. The cubic root of 50564497 is about 369.7843813113.

The spelling of 50564497 in words is "fifty million, five hundred sixty-four thousand, four hundred ninety-seven".