55253201317 has 2 divisors, whose sum is σ = 55253201318. Its totient is φ = 55253201316.

The previous prime is 55253201309. The next prime is 55253201327. The reversal of 55253201317 is 71310235255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40223912481 + 15029288836 = 200559^2 + 122594^2 .

It is a cyclic number.

It is not a de Polignac number, because 55253201317 - 2³ = 55253201309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55253201327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27626600658 + 27626600659.

It is an arithmetic number, because the mean of its divisors is an integer number (27626600659).

Almost surely, 2^55253201317 is an apocalyptic number.

It is an amenable number.

55253201317 is a deficient number, since it is larger than the sum of its proper divisors (1).

55253201317 is an equidigital number, since it uses as much as digits as its factorization.

55253201317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 34.

The spelling of 55253201317 in words is "fifty-five billion, two hundred fifty-three million, two hundred one thousand, three hundred seventeen".