53550011 has 2 divisors, whose sum is σ = 53550012. Its totient is φ = 53550010.

The previous prime is 53549963. The next prime is 53550041. The reversal of 53550011 is 11005535.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53550011 - 2¹⁸ = 53287867 is a prime.

It is a Sophie Germain prime.

It is a zygodrome in base 16.

It is not a weakly prime, because it can be changed into another prime (53550041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26775005 + 26775006.

It is an arithmetic number, because the mean of its divisors is an integer number (26775006).

Almost surely, 2^53550011 is an apocalyptic number.

53550011 is a deficient number, since it is larger than the sum of its proper divisors (1).

53550011 is an equidigital number, since it uses as much as digits as its factorization.

53550011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 53550011 is about 7317.7873021836. The cubic root of 53550011 is about 376.9234765072.

Adding to 53550011 its reverse (11005535), we get a palindrome (64555546).

The spelling of 53550011 in words is "fifty-three million, five hundred fifty thousand, eleven".