57384020221717 has 16 divisors (see below), whose sum is σ = 67698113511424. Its totient is φ = 47599060158000.

The previous prime is 57384020221711. The next prime is 57384020221727. The reversal of 57384020221717 is 71712202048375.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57384020221717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57384020221711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16434742 + ... + 19618072.

It is an arithmetic number, because the mean of its divisors is an integer number (4231132094464).

Almost surely, 2^{57384020221717} is an apocalyptic number.

It is an amenable number.

57384020221717 is a deficient number, since it is larger than the sum of its proper divisors (10314093289707).

57384020221717 is a wasteful number, since it uses less digits than its factorization.

57384020221717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266440.

The product of its (nonzero) digits is 1317120, while the sum is 49.

The spelling of 57384020221717 in words is "fifty-seven trillion, three hundred eighty-four billion, twenty million, two hundred twenty-one thousand, seven hundred seventeen".