50420563 has 2 divisors, whose sum is σ = 50420564. Its totient is φ = 50420562.

The previous prime is 50420551. The next prime is 50420593. The reversal of 50420563 is 36502405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50420563 - 2¹³ = 50412371 is a prime.

It is not a weakly prime, because it can be changed into another prime (50420593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25210281 + 25210282.

It is an arithmetic number, because the mean of its divisors is an integer number (25210282).

Almost surely, 2^50420563 is an apocalyptic number.

50420563 is a deficient number, since it is larger than the sum of its proper divisors (1).

50420563 is an equidigital number, since it uses as much as digits as its factorization.

50420563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 50420563 is about 7100.7438342754. The cubic root of 50420563 is about 369.4331788518.

Adding to 50420563 its reverse (36502405), we get a palindrome (86922968).

The spelling of 50420563 in words is "fifty million, four hundred twenty thousand, five hundred sixty-three".