50406533 has 2 divisors, whose sum is σ = 50406534. Its totient is φ = 50406532.

The previous prime is 50406529. The next prime is 50406571. The reversal of 50406533 is 33560405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49801249 + 605284 = 7057^2 + 778^2 .

It is a cyclic number.

It is not a de Polignac number, because 50406533 - 2² = 50406529 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50406833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25203266 + 25203267.

It is an arithmetic number, because the mean of its divisors is an integer number (25203267).

Almost surely, 2^50406533 is an apocalyptic number.

It is an amenable number.

50406533 is a deficient number, since it is larger than the sum of its proper divisors (1).

50406533 is an equidigital number, since it uses as much as digits as its factorization.

50406533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 50406533 is about 7099.7558408723. The cubic root of 50406533 is about 369.3989095773.

Adding to 50406533 its reverse (33560405), we get a palindrome (83966938).

The spelling of 50406533 in words is "fifty million, four hundred six thousand, five hundred thirty-three".