55750717217 has 16 divisors (see below), whose sum is σ = 62354794320. Its totient is φ = 49508692992.

The previous prime is 55750717207. The next prime is 55750717241. The reversal of 55750717217 is 71271705755.

It can be written as a sum of positive squares in 8 ways, for example, as 634233856 + 55116483361 = 25184^2 + 234769^2 .

It is a cyclic number.

It is not a de Polignac number, because 55750717217 - 2⁸ = 55750716961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55750717207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608348 + ... + 693965.

It is an arithmetic number, because the mean of its divisors is an integer number (3897174645).

Almost surely, 2^55750717217 is an apocalyptic number.

It is an amenable number.

55750717217 is a deficient number, since it is larger than the sum of its proper divisors (6604077103).

55750717217 is a wasteful number, since it uses less digits than its factorization.

55750717217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302452.

The product of its (nonzero) digits is 600250, while the sum is 47.

The spelling of 55750717217 in words is "fifty-five billion, seven hundred fifty million, seven hundred seventeen thousand, two hundred seventeen".