50561473 has 2 divisors, whose sum is σ = 50561474. Its totient is φ = 50561472.

The previous prime is 50561461. The next prime is 50561491. The reversal of 50561473 is 37416505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34304449 + 16257024 = 5857^2 + 4032^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50561473 is a prime.

It is not a weakly prime, because it can be changed into another prime (50561453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25280736 + 25280737.

It is an arithmetic number, because the mean of its divisors is an integer number (25280737).

Almost surely, 2^50561473 is an apocalyptic number.

It is an amenable number.

50561473 is a deficient number, since it is larger than the sum of its proper divisors (1).

50561473 is an equidigital number, since it uses as much as digits as its factorization.

50561473 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 50561473 is about 7110.6591115030. The cubic root of 50561473 is about 369.7770095364. Note that the first 3 decimals are identical.

Adding to 50561473 its reverse (37416505), we get a palindrome (87977978).

The spelling of 50561473 in words is "fifty million, five hundred sixty-one thousand, four hundred seventy-three".