54376426817 has 4 divisors (see below), whose sum is σ = 54620267520. Its totient is φ = 54132586116.

The previous prime is 54376426789. The next prime is 54376426823. The reversal of 54376426817 is 71862467345.

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, and also an emirpimes, since its reverse is a distinct semiprime: 71862467345 = 5 ⋅14372493469.

It is a cyclic number.

It is not a de Polignac number, because 54376426817 - 2¹⁸ = 54376164673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54376426877) 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, 121920017 + ... + 121920462.

It is an arithmetic number, because the mean of its divisors is an integer number (13655066880).

Almost surely, 2^54376426817 is an apocalyptic number.

It is an amenable number.

54376426817 is a deficient number, since it is larger than the sum of its proper divisors (243840703).

54376426817 is a wasteful number, since it uses less digits than its factorization.

54376426817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243840702.

The product of its digits is 6773760, while the sum is 53.

The spelling of 54376426817 in words is "fifty-four billion, three hundred seventy-six million, four hundred twenty-six thousand, eight hundred seventeen".