55786807253 has 2 divisors, whose sum is σ = 55786807254. Its totient is φ = 55786807252.

The previous prime is 55786807207. The next prime is 55786807289. The reversal of 55786807253 is 35270868755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36682591729 + 19104215524 = 191527^2 + 138218^2 .

It is a cyclic number.

It is not a de Polignac number, because 55786807253 - 2⁸ = 55786806997 is a prime.

It is a super-2 number, since 2×55786807253² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55786807553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27893403626 + 27893403627.

It is an arithmetic number, because the mean of its divisors is an integer number (27893403627).

Almost surely, 2^55786807253 is an apocalyptic number.

It is an amenable number.

55786807253 is a deficient number, since it is larger than the sum of its proper divisors (1).

55786807253 is an equidigital number, since it uses as much as digits as its factorization.

55786807253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112000, while the sum is 56.

The spelling of 55786807253 in words is "fifty-five billion, seven hundred eighty-six million, eight hundred seven thousand, two hundred fifty-three".