55117762350257 has 8 divisors (see below), whose sum is σ = 58414576746600. Its totient is φ = 51827013851904.

The previous prime is 55117762350227. The next prime is 55117762350263. The reversal of 55117762350257 is 75205326771155.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6087391645696 + 49030370704561 = 2467264^2 + 7002169^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55117762350257 - 2¹⁰ = 55117762349233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55117762350227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1516455782 + ... + 1516492127.

It is an arithmetic number, because the mean of its divisors is an integer number (7301822093325).

Almost surely, 2^{55117762350257} is an apocalyptic number.

It is an amenable number.

55117762350257 is a deficient number, since it is larger than the sum of its proper divisors (3296814396343).

55117762350257 is a wasteful number, since it uses less digits than its factorization.

55117762350257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3032948995.

The product of its (nonzero) digits is 15435000, while the sum is 56.

The spelling of 55117762350257 in words is "fifty-five trillion, one hundred seventeen billion, seven hundred sixty-two million, three hundred fifty thousand, two hundred fifty-seven".