55853553013 has 2 divisors, whose sum is σ = 55853553014. Its totient is φ = 55853553012.

The previous prime is 55853553011. The next prime is 55853553029. The reversal of 55853553013 is 31035535855.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37869938404 + 17983614609 = 194602^2 + 134103^2 .

It is a cyclic number.

It is not a de Polignac number, because 55853553013 - 2¹ = 55853553011 is a prime.

Together with 55853553011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55853553011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27926776506 + 27926776507.

It is an arithmetic number, because the mean of its divisors is an integer number (27926776507).

Almost surely, 2^55853553013 is an apocalyptic number.

It is an amenable number.

55853553013 is a deficient number, since it is larger than the sum of its proper divisors (1).

55853553013 is an equidigital number, since it uses as much as digits as its factorization.

55853553013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 675000, while the sum is 43.

The spelling of 55853553013 in words is "fifty-five billion, eight hundred fifty-three million, five hundred fifty-three thousand, thirteen".