54845719697 has 4 divisors (see below), whose sum is σ = 55240293360. Its totient is φ = 54451146036.

The previous prime is 54845719693. The next prime is 54845719703. The reversal of 54845719697 is 79691754845.

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 54845719697 - 2² = 54845719693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54845719693) 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, 197286623 + ... + 197286900.

It is an arithmetic number, because the mean of its divisors is an integer number (13810073340).

Almost surely, 2^54845719697 is an apocalyptic number.

It is an amenable number.

54845719697 is a deficient number, since it is larger than the sum of its proper divisors (394573663).

54845719697 is a wasteful number, since it uses less digits than its factorization.

54845719697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394573662.

The product of its digits is 76204800, while the sum is 65.

The spelling of 54845719697 in words is "fifty-four billion, eight hundred forty-five million, seven hundred nineteen thousand, six hundred ninety-seven".