50406530 has 16 divisors (see below), whose sum is σ = 96069240. Its totient is φ = 18976512.

The previous prime is 50406529. The next prime is 50406533. The reversal of 50406530 is 3560405.

It can be written as a sum of positive squares in 4 ways, for example, as 48177481 + 2229049 = 6941^2 + 1493^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50406496 and 50406505.

It is not an unprimeable number, because it can be changed into a prime (50406533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148085 + ... + 148424.

Almost surely, 2^50406530 is an apocalyptic number.

50406530 is a deficient number, since it is larger than the sum of its proper divisors (45662710).

50406530 is a wasteful number, since it uses less digits than its factorization.

50406530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296533.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 50406530 is about 7099.7556295974. The cubic root of 50406530 is about 369.3989022490.

Adding to 50406530 its reverse (3560405), we get a palindrome (53966935).

The spelling of 50406530 in words is "fifty million, four hundred six thousand, five hundred thirty".