55242240305717 has 4 divisors (see below), whose sum is σ = 55244553753120. Its totient is φ = 55239926858316.

The previous prime is 55242240305711. The next prime is 55242240305719. The reversal of 55242240305717 is 71750304224255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55242240305717 - 2¹² = 55242240301621 is a prime.

It is a super-2 number, since 2×55242240305717² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55242240305711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1156687883 + ... + 1156735640.

It is an arithmetic number, because the mean of its divisors is an integer number (13811138438280).

Almost surely, 2^{55242240305717} is an apocalyptic number.

It is an amenable number.

55242240305717 is a deficient number, since it is larger than the sum of its proper divisors (2313447403).

55242240305717 is a wasteful number, since it uses less digits than its factorization.

55242240305717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313447402.

The product of its (nonzero) digits is 2352000, while the sum is 47.

The spelling of 55242240305717 in words is "fifty-five trillion, two hundred forty-two billion, two hundred forty million, three hundred five thousand, seven hundred seventeen".