53551020011 has 2 divisors, whose sum is σ = 53551020012. Its totient is φ = 53551020010.

The previous prime is 53551019989. The next prime is 53551020023. The reversal of 53551020011 is 11002015535.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53551020011 - 2¹⁰ = 53551018987 is a prime.

It is not a weakly prime, because it can be changed into another prime (53551022011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26775510005 + 26775510006.

It is an arithmetic number, because the mean of its divisors is an integer number (26775510006).

Almost surely, 2^53551020011 is an apocalyptic number.

53551020011 is a deficient number, since it is larger than the sum of its proper divisors (1).

53551020011 is an equidigital number, since it uses as much as digits as its factorization.

53551020011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 53551020011 its reverse (11002015535), we get a palindrome (64553035546).

The spelling of 53551020011 in words is "fifty-three billion, five hundred fifty-one million, twenty thousand, eleven".