50018653 has 2 divisors, whose sum is σ = 50018654. Its totient is φ = 50018652.

The previous prime is 50018627. The next prime is 50018681. The reversal of 50018653 is 35681005.

It is an a-pointer prime, because the next prime (50018681) can be obtained adding 50018653 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29615364 + 20403289 = 5442^2 + 4517^2 .

It is a cyclic number.

It is not a de Polignac number, because 50018653 - 2¹³ = 50010461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50018603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25009326 + 25009327.

It is an arithmetic number, because the mean of its divisors is an integer number (25009327).

Almost surely, 2^50018653 is an apocalyptic number.

It is an amenable number.

50018653 is a deficient number, since it is larger than the sum of its proper divisors (1).

50018653 is an equidigital number, since it uses as much as digits as its factorization.

50018653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 50018653 is about 7072.3866551540. The cubic root of 50018653 is about 368.4489563280.

Adding to 50018653 its reverse (35681005), we get a palindrome (85699658).

The spelling of 50018653 in words is "fifty million, eighteen thousand, six hundred fifty-three".