54361720337 has 4 divisors (see below), whose sum is σ = 54364104756. Its totient is φ = 54359335920.

The previous prime is 54361720333. The next prime is 54361720339. The reversal of 54361720337 is 73302716345.

It is a Cunningham number, because it is equal to 233156²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6946222336 + 47415498001 = 83344^2 + 217751^2 .

It is a cyclic number.

It is not a de Polignac number, because 54361720337 - 2² = 54361720333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54361720294 and 54361720303.

It is not an unprimeable number, because it can be changed into a prime (54361720333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157678 + ... + 1203719.

It is an arithmetic number, because the mean of its divisors is an integer number (13591026189).

Almost surely, 2^54361720337 is an apocalyptic number.

It is an amenable number.

54361720337 is a deficient number, since it is larger than the sum of its proper divisors (2384419).

54361720337 is a wasteful number, since it uses less digits than its factorization.

54361720337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384418.

The product of its (nonzero) digits is 317520, while the sum is 41.

The spelling of 54361720337 in words is "fifty-four billion, three hundred sixty-one million, seven hundred twenty thousand, three hundred thirty-seven".