50440553 has 2 divisors, whose sum is σ = 50440554. Its totient is φ = 50440552.

The previous prime is 50440543. The next prime is 50440561. The reversal of 50440553 is 35504405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44049769 + 6390784 = 6637^2 + 2528^2 .

It is a cyclic number.

It is not a de Polignac number, because 50440553 - 2⁸ = 50440297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50440543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25220276 + 25220277.

It is an arithmetic number, because the mean of its divisors is an integer number (25220277).

Almost surely, 2^50440553 is an apocalyptic number.

It is an amenable number.

50440553 is a deficient number, since it is larger than the sum of its proper divisors (1).

50440553 is an equidigital number, since it uses as much as digits as its factorization.

50440553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 50440553 is about 7102.1512937982. The cubic root of 50440553 is about 369.4819948708.

Adding to 50440553 its reverse (35504405), we get a palindrome (85944958).

The spelling of 50440553 in words is "fifty million, four hundred forty thousand, five hundred fifty-three".